23315622 has 32 divisors (see below), whose sum is σ = 53550720. Its totient is φ = 6693120.

The previous prime is 23315609. The next prime is 23315639. The reversal of 23315622 is 22651332.

It is a junction number, because it is equal to n+sod(n) for n = 23315592 and 23315601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8043 + ... + 10550.

It is an arithmetic number, because the mean of its divisors is an integer number (1673460).

Almost surely, 2^23315622 is an apocalyptic number.

23315622 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23315622 is an abundant number, since it is smaller than the sum of its proper divisors (30235098).

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

23315622 is a wasteful number, since it uses less digits than its factorization.

23315622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18628.

The product of its digits is 2160, while the sum is 24.

The square root of 23315622 is about 4828.6252701985. The cubic root of 23315622 is about 285.6816432470.

Adding to 23315622 its reverse (22651332), we get a palindrome (45966954).

The spelling of 23315622 in words is "twenty-three million, three hundred fifteen thousand, six hundred twenty-two".