221532125332 has 24 divisors (see below), whose sum is σ = 443112529664. Its totient is φ = 94931993952.

The previous prime is 221532125323. The next prime is 221532125363. The reversal of 221532125332 is 233521235122.

It is a super-2 number, since 2×221532125332² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221532125294 and 221532125303.

It is a congruent number.

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, 166668 + ... + 686179.

Almost surely, 2^221532125332 is an apocalyptic number.

It is an amenable number.

221532125332 is an abundant number, since it is smaller than the sum of its proper divisors (221580404332).

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

221532125332 is a wasteful number, since it uses less digits than its factorization.

221532125332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862135 (or 862133 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The spelling of 221532125332 in words is "two hundred twenty-one billion, five hundred thirty-two million, one hundred twenty-five thousand, three hundred thirty-two".