2372247 has 10 divisors (see below), whose sum is σ = 3543848. Its totient is φ = 1581444.

The previous prime is 2372239. The next prime is 2372257. The reversal of 2372247 is 7422732.

It is not a de Polignac number, because 2372247 - 2³ = 2372239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2372247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2372257) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 14563 + ... + 14724.

2^2372247 is an apocalyptic number.

2372247 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2372247 is a deficient number, since it is larger than the sum of its proper divisors (1171601).

2372247 is an equidigital number, since it uses as much as digits as its factorization.

2372247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29299 (or 29290 counting only the distinct ones).

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

The square root of 2372247 is about 1540.2100506100. The cubic root of 2372247 is about 133.3685108571.

Adding to 2372247 its reverse (7422732), we get a palindrome (9794979).

The spelling of 2372247 in words is "two million, three hundred seventy-two thousand, two hundred forty-seven".