2247732 has 36 divisors (see below), whose sum is σ = 5880420. Its totient is φ = 723072.

The previous prime is 2247727. The next prime is 2247733. The reversal of 2247732 is 2377422.

It can be written as a sum of positive squares in 2 ways, for example, as 599076 + 1648656 = 774^2 + 1284^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2247696 and 2247705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2247733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33 + ... + 2120.

It is an arithmetic number, because the mean of its divisors is an integer number (163345).

2^2247732 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2247732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2940210).

2247732 is an abundant number, since it is smaller than the sum of its proper divisors (3632688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2247732 is a wasteful number, since it uses less digits than its factorization.

2247732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192 (or 2187 counting only the distinct ones).

The product of its digits is 4704, while the sum is 27.

The square root of 2247732 is about 1499.2438093919. The cubic root of 2247732 is about 130.9930264532.

The spelling of 2247732 in words is "two million, two hundred forty-seven thousand, seven hundred thirty-two".