22722282464 has 24 divisors (see below), whose sum is σ = 51125136048. Its totient is φ = 9738120960.

The previous prime is 22722282461. The next prime is 22722282469. The reversal of 22722282464 is 46428222722.

It is a super-2 number, since 2×22722282464² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22722282461) 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, 50719157 + ... + 50719604.

It is an arithmetic number, because the mean of its divisors is an integer number (2130214002).

Almost surely, 2^22722282464 is an apocalyptic number.

It is an amenable number.

22722282464 is an abundant number, since it is smaller than the sum of its proper divisors (28402853584).

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

22722282464 is a wasteful number, since it uses less digits than its factorization.

22722282464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101438778 (or 101438770 counting only the distinct ones).

The product of its digits is 344064, while the sum is 41.

The spelling of 22722282464 in words is "twenty-two billion, seven hundred twenty-two million, two hundred eighty-two thousand, four hundred sixty-four".