22901070 has 16 divisors (see below), whose sum is σ = 54962640. Its totient is φ = 6106944.

The previous prime is 22901063. The next prime is 22901089. The reversal of 22901070 is 7010922.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381655 + ... + 381714.

It is an arithmetic number, because the mean of its divisors is an integer number (3435165).

Almost surely, 2^22901070 is an apocalyptic number.

22901070 is an abundant number, since it is smaller than the sum of its proper divisors (32061570).

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

22901070 is a wasteful number, since it uses less digits than its factorization.

22901070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763379.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 22901070 is about 4785.5062428128. The cubic root of 22901070 is about 283.9783673928.

Adding to 22901070 its reverse (7010922), we get a palindrome (29911992).

The spelling of 22901070 in words is "twenty-two million, nine hundred one thousand, seventy".