2221832 has 36 divisors (see below), whose sum is σ = 4572765. Its totient is φ = 1011840.

The previous prime is 2221829. The next prime is 2221837. The reversal of 2221832 is 2381222.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

2221832 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2033476 + 188356 = 1426^2 + 434^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1054.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221837) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 71657 + ... + 71687.

2^2221832 is an apocalyptic number.

It is an amenable number.

2221832 is an abundant number, since it is smaller than the sum of its proper divisors (2350933).

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

2221832 is a wasteful number, since it uses less digits than its factorization.

2221832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 50 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 2221832 is about 1490.5810947412. The cubic root of 2221832 is about 130.4879492501.

The spelling of 2221832 in words is "two million, two hundred twenty-one thousand, eight hundred thirty-two".