23570022 has 16 divisors (see below), whose sum is σ = 53874432. Its totient is φ = 6734280.

The previous prime is 23570003. The next prime is 23570023. The reversal of 23570022 is 22007532.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23570023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280554 + ... + 280637.

It is an arithmetic number, because the mean of its divisors is an integer number (3367152).

Almost surely, 2^23570022 is an apocalyptic number.

23570022 is an abundant number, since it is smaller than the sum of its proper divisors (30304410).

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

23570022 is a wasteful number, since it uses less digits than its factorization.

23570022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561203.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 23570022 is about 4854.8967033295. The cubic root of 23570022 is about 286.7169243655.

Adding to 23570022 its reverse (22007532), we get a palindrome (45577554).

The spelling of 23570022 in words is "twenty-three million, five hundred seventy thousand, twenty-two".