22919668722 has 48 divisors (see below), whose sum is σ = 52086632832. Its totient is φ = 7275238560.

The previous prime is 22919668703. The next prime is 22919668727. The reversal of 22919668722 is 22786691922.

It is a super-2 number, since 2×22919668722² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22919668727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 334804 + ... + 397407.

It is an arithmetic number, because the mean of its divisors is an integer number (1085138184).

Almost surely, 2^22919668722 is an apocalyptic number.

22919668722 is an abundant number, since it is smaller than the sum of its proper divisors (29166964110).

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

22919668722 is a wasteful number, since it uses less digits than its factorization.

22919668722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732303 (or 732300 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The spelling of 22919668722 in words is "twenty-two billion, nine hundred nineteen million, six hundred sixty-eight thousand, seven hundred twenty-two".