221372475296 has 24 divisors (see below), whose sum is σ = 498088069920. Its totient is φ = 94873917888.

The previous prime is 221372475263. The next prime is 221372475319. The reversal of 221372475296 is 692574273122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494134766 + ... + 494135213.

It is an arithmetic number, because the mean of its divisors is an integer number (20753669580).

Almost surely, 2^221372475296 is an apocalyptic number.

It is an amenable number.

221372475296 is an abundant number, since it is smaller than the sum of its proper divisors (276715594624).

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

221372475296 is an equidigital number, since it uses as much as digits as its factorization.

221372475296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988269996 (or 988269988 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 50.

The spelling of 221372475296 in words is "two hundred twenty-one billion, three hundred seventy-two million, four hundred seventy-five thousand, two hundred ninety-six".