22122022072 has 16 divisors (see below), whose sum is σ = 43918720560. Its totient is φ = 10410363264.

The previous prime is 22122022067. The next prime is 22122022073. The reversal of 22122022072 is 27022022122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122022073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81330828 + ... + 81331099.

It is an arithmetic number, because the mean of its divisors is an integer number (2744920035).

Almost surely, 2^22122022072 is an apocalyptic number.

It is an amenable number.

22122022072 is a deficient number, since it is larger than the sum of its proper divisors (21796698488).

22122022072 is a wasteful number, since it uses less digits than its factorization.

22122022072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162661950 (or 162661946 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

Adding to 22122022072 its reverse (27022022122), we get a palindrome (49144044194).

The spelling of 22122022072 in words is "twenty-two billion, one hundred twenty-two million, twenty-two thousand, seventy-two".