22641028 has 12 divisors (see below), whose sum is σ = 40465152. Its totient is φ = 11079560.

The previous prime is 22641011. The next prime is 22641049. The reversal of 22641028 is 82014622.

It is a happy number.

It is a super-2 number, since 2×22641028² = 1025232297793568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22640993 and 22641011.

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, 60028 + ... + 60403.

It is an arithmetic number, because the mean of its divisors is an integer number (3372096).

Almost surely, 2^22641028 is an apocalyptic number.

It is an amenable number.

22641028 is a deficient number, since it is larger than the sum of its proper divisors (17824124).

22641028 is a wasteful number, since it uses less digits than its factorization.

22641028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120482 (or 120480 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 22641028 is about 4758.2589252793. The cubic root of 22641028 is about 282.8994136155.

The spelling of 22641028 in words is "twenty-two million, six hundred forty-one thousand, twenty-eight".