22028056 has 16 divisors (see below), whose sum is σ = 43732440. Its totient is φ = 10366080.

The previous prime is 22028051. The next prime is 22028057. The reversal of 22028056 is 65082022.

It is a super-2 number, since 2×22028056² = 970470502278272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22028056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22028051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80850 + ... + 81121.

Almost surely, 2^22028056 is an apocalyptic number.

It is an amenable number.

22028056 is a deficient number, since it is larger than the sum of its proper divisors (21704384).

22028056 is a wasteful number, since it uses less digits than its factorization.

22028056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161994 (or 161990 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 22028056 is about 4693.4055865650. The cubic root of 22028056 is about 280.3229946125.

The spelling of 22028056 in words is "twenty-two million, twenty-eight thousand, fifty-six".