22152828 has 24 divisors (see below), whose sum is σ = 52194688. Its totient is φ = 7312176.

The previous prime is 22152797. The next prime is 22152829. The reversal of 22152828 is 82825122.

It is a junction number, because it is equal to n+sod(n) for n = 22152795 and 22152804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22152829) 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 7 ways as a sum of consecutive naturals, for example, 7726 + ... + 10197.

Almost surely, 2^22152828 is an apocalyptic number.

It is an amenable number.

22152828 is an abundant number, since it is smaller than the sum of its proper divisors (30041860).

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

22152828 is a wasteful number, since it uses less digits than its factorization.

22152828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18033 (or 18031 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

The square root of 22152828 is about 4706.6790840252. The cubic root of 22152828 is about 280.8512698487.

The spelling of 22152828 in words is "twenty-two million, one hundred fifty-two thousand, eight hundred twenty-eight".