23822022 has 32 divisors (see below), whose sum is σ = 54600192. Its totient is φ = 6787584.

The previous prime is 23822011. The next prime is 23822023. The reversal of 23822022 is 22022832.

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 23822022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23822023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23743 + ... + 24725.

It is an arithmetic number, because the mean of its divisors is an integer number (1706256).

Almost surely, 2^23822022 is an apocalyptic number.

23822022 is an abundant number, since it is smaller than the sum of its proper divisors (30778170).

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

23822022 is a wasteful number, since it uses less digits than its factorization.

23822022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 23822022 is about 4880.7808801461. The cubic root of 23822022 is about 287.7351200776.

Adding to 23822022 its reverse (22022832), we get a palindrome (45844854).

The spelling of 23822022 in words is "twenty-three million, eight hundred twenty-two thousand, twenty-two".