221460032 has 28 divisors (see below), whose sum is σ = 453639936. Its totient is φ = 107157120.

The previous prime is 221460017. The next prime is 221460049. The reversal of 221460032 is 230064122.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 221459986 and 221460013.

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, 53828 + ... + 57795.

Almost surely, 2^221460032 is an apocalyptic number.

It is an amenable number.

221460032 is an abundant number, since it is smaller than the sum of its proper divisors (232179904).

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

221460032 is a wasteful number, since it uses less digits than its factorization.

221460032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111666 (or 111656 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 221460032 is about 14881.5332543391. The cubic root of 221460032 is about 605.0135752708.

The spelling of 221460032 in words is "two hundred twenty-one million, four hundred sixty thousand, thirty-two".