23222150422520 has 32 divisors (see below), whose sum is σ = 59714101087200. Its totient is φ = 7961880144768.

The previous prime is 23222150422451. The next prime is 23222150422531. The reversal of 23222150422520 is 2522405122232.

It is a super-2 number, since 2×23222150422520² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41468125475 + ... + 41468126034.

It is an arithmetic number, because the mean of its divisors is an integer number (1866065658975).

Almost surely, 2^{23222150422520} is an apocalyptic number.

23222150422520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23222150422520 is an abundant number, since it is smaller than the sum of its proper divisors (36491950664680).

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

23222150422520 is a wasteful number, since it uses less digits than its factorization.

23222150422520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82936251527 (or 82936251523 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 23222150422520 its reverse (2522405122232), we get a palindrome (25744555544752).

The spelling of 23222150422520 in words is "twenty-three trillion, two hundred twenty-two billion, one hundred fifty million, four hundred twenty-two thousand, five hundred twenty".