221245533232 has 10 divisors (see below), whose sum is σ = 428663220668. Its totient is φ = 110622766608.

The previous prime is 221245533221. The next prime is 221245533233. The reversal of 221245533232 is 232335542122.

It is a super-2 number, since 2×221245533232² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221245533233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6913922898 + ... + 6913922929.

Almost surely, 2^221245533232 is an apocalyptic number.

It is an amenable number.

221245533232 is a deficient number, since it is larger than the sum of its proper divisors (207417687436).

221245533232 is a wasteful number, since it uses less digits than its factorization.

221245533232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13827845835 (or 13827845829 counting only the distinct ones).

The product of its digits is 86400, while the sum is 34.

The spelling of 221245533232 in words is "two hundred twenty-one billion, two hundred forty-five million, five hundred thirty-three thousand, two hundred thirty-two".