22288232 has 16 divisors (see below), whose sum is σ = 41906400. Its totient is φ = 11113200.

The previous prime is 22288229. The next prime is 22288237. The reversal of 22288232 is 23288222.

It is a junction number, because it is equal to n+sod(n) for n = 22288195 and 22288204.

It is not an unprimeable number, because it can be changed into a prime (22288237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644 + ... + 6707.

It is an arithmetic number, because the mean of its divisors is an integer number (2619150).

Almost surely, 2^22288232 is an apocalyptic number.

It is an amenable number.

22288232 is a deficient number, since it is larger than the sum of its proper divisors (19618168).

22288232 is a wasteful number, since it uses less digits than its factorization.

22288232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7736 (or 7732 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

The square root of 22288232 is about 4721.0414105365. The cubic root of 22288232 is about 281.4223206041.

The spelling of 22288232 in words is "twenty-two million, two hundred eighty-eight thousand, two hundred thirty-two".