21427476322 has 32 divisors (see below), whose sum is σ = 37163630592. Its totient is φ = 9076055184.

The previous prime is 21427476319. The next prime is 21427476359. The reversal of 21427476322 is 22367472412.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444703 + ... + 490525.

It is an arithmetic number, because the mean of its divisors is an integer number (1161363456).

Almost surely, 2^21427476322 is an apocalyptic number.

21427476322 is a deficient number, since it is larger than the sum of its proper divisors (15736154270).

21427476322 is a wasteful number, since it uses less digits than its factorization.

21427476322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46222.

The product of its digits is 225792, while the sum is 40.

The spelling of 21427476322 in words is "twenty-one billion, four hundred twenty-seven million, four hundred seventy-six thousand, three hundred twenty-two".