22058128 has 20 divisors (see below), whose sum is σ = 42882300. Its totient is φ = 10991744.

The previous prime is 22058111. The next prime is 22058137. The reversal of 22058128 is 82185022.

It can be written as a sum of positive squares in 2 ways, for example, as 824464 + 21233664 = 908^2 + 4608^2 .

It is a super-2 number, since 2×22058128² = 973122021728768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22058096 and 22058105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2898 + ... + 7246.

It is an arithmetic number, because the mean of its divisors is an integer number (2144115).

Almost surely, 2^22058128 is an apocalyptic number.

It is an amenable number.

22058128 is a deficient number, since it is larger than the sum of its proper divisors (20824172).

22058128 is a wasteful number, since it uses less digits than its factorization.

22058128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4674 (or 4668 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 22058128 is about 4696.6081377948. The cubic root of 22058128 is about 280.4504992811.

The spelling of 22058128 in words is "twenty-two million, fifty-eight thousand, one hundred twenty-eight".