21932954722 has 16 divisors (see below), whose sum is σ = 39578264640. Its totient is φ = 8905109328.

The previous prime is 21932954671. The next prime is 21932954723. The reversal of 21932954722 is 22745923912.

It is not an unprimeable number, because it can be changed into a prime (21932954723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41227093 + ... + 41227624.

It is an arithmetic number, because the mean of its divisors is an integer number (2473641540).

Almost surely, 2^21932954722 is an apocalyptic number.

21932954722 is a deficient number, since it is larger than the sum of its proper divisors (17645309918).

21932954722 is a wasteful number, since it uses less digits than its factorization.

21932954722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82454745.

The product of its digits is 544320, while the sum is 46.

The spelling of 21932954722 in words is "twenty-one billion, nine hundred thirty-two million, nine hundred fifty-four thousand, seven hundred twenty-two".