221616932932 has 24 divisors (see below), whose sum is σ = 398762838656. Its totient is φ = 107691480288.

The previous prime is 221616932917. The next prime is 221616932947. The reversal of 221616932932 is 239239616122.

It is an interprime number because it is at equal distance from previous prime (221616932917) and next prime (221616932947).

It is a super-2 number, since 2×221616932932² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717228 + ... + 978595.

Almost surely, 2^221616932932 is an apocalyptic number.

It is an amenable number.

221616932932 is a deficient number, since it is larger than the sum of its proper divisors (177145905724).

221616932932 is a wasteful number, since it uses less digits than its factorization.

221616932932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696747 (or 1696745 counting only the distinct ones).

The product of its digits is 419904, while the sum is 46.

The spelling of 221616932932 in words is "two hundred twenty-one billion, six hundred sixteen million, nine hundred thirty-two thousand, nine hundred thirty-two".