22012828 has 6 divisors (see below), whose sum is σ = 38522456. Its totient is φ = 11006412.

The previous prime is 22012819. The next prime is 22012829. The reversal of 22012828 is 82821022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2751600 + ... + 2751607.

Almost surely, 2^22012828 is an apocalyptic number.

It is an amenable number.

22012828 is a deficient number, since it is larger than the sum of its proper divisors (16509628).

22012828 is a wasteful number, since it uses less digits than its factorization.

22012828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5503211 (or 5503209 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 22012828 is about 4691.7830299365. The cubic root of 22012828 is about 280.2583839390.

The spelling of 22012828 in words is "twenty-two million, twelve thousand, eight hundred twenty-eight".