22623522 has 16 divisors (see below), whose sum is σ = 45306432. Its totient is φ = 7531280.

The previous prime is 22623479. The next prime is 22623529. The reversal of 22623522 is 22532622.

It is a junction number, because it is equal to n+sod(n) for n = 22623492 and 22623501.

It is not an unprimeable number, because it can be changed into a prime (22623529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3643 + ... + 7649.

It is an arithmetic number, because the mean of its divisors is an integer number (2831652).

Almost surely, 2^22623522 is an apocalyptic number.

22623522 is an abundant number, since it is smaller than the sum of its proper divisors (22682910).

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

22623522 is a wasteful number, since it uses less digits than its factorization.

22623522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4953.

The product of its digits is 2880, while the sum is 24.

The square root of 22623522 is about 4756.4190311620. The cubic root of 22623522 is about 282.8264823851.

The spelling of 22623522 in words is "twenty-two million, six hundred twenty-three thousand, five hundred twenty-two".