23255022 has 64 divisors (see below), whose sum is σ = 56070144. Its totient is φ = 6289920.

The previous prime is 23255021. The next prime is 23255087. The reversal of 23255022 is 22055232.

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

It is a self number, because there is not a number n which added to its sum of digits gives 23255022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23255021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68838 + ... + 69174.

It is an arithmetic number, because the mean of its divisors is an integer number (876096).

Almost surely, 2^23255022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23255022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28035072).

23255022 is an abundant number, since it is smaller than the sum of its proper divisors (32815122).

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

23255022 is a wasteful number, since it uses less digits than its factorization.

23255022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 23255022 is about 4822.3461095197. The cubic root of 23255022 is about 285.4339219527.

The spelling of 23255022 in words is "twenty-three million, two hundred fifty-five thousand, twenty-two".