22561070 has 48 divisors (see below), whose sum is σ = 48435408. Its totient is φ = 7539840.

The previous prime is 22561067. The next prime is 22561109. The reversal of 22561070 is 7016522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19529 + ... + 20651.

It is an arithmetic number, because the mean of its divisors is an integer number (1009071).

Almost surely, 2^22561070 is an apocalyptic number.

22561070 is an abundant number, since it is smaller than the sum of its proper divisors (25874338).

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

22561070 is a wasteful number, since it uses less digits than its factorization.

22561070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 22561070 is about 4749.8494712991. The cubic root of 22561070 is about 282.5659960151.

Adding to 22561070 its reverse (7016522), we get a palindrome (29577592).

The spelling of 22561070 in words is "twenty-two million, five hundred sixty-one thousand, seventy".