221934952 has 32 divisors (see below), whose sum is σ = 431585280. Its totient is φ = 106879680.

The previous prime is 221934943. The next prime is 221934959. The reversal of 221934952 is 259439122.

It is not an unprimeable number, because it can be changed into a prime (221934959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53298 + ... + 57310.

It is an arithmetic number, because the mean of its divisors is an integer number (13487040).

Almost surely, 2^221934952 is an apocalyptic number.

It is an amenable number.

221934952 is a deficient number, since it is larger than the sum of its proper divisors (209650328).

221934952 is a wasteful number, since it uses less digits than its factorization.

221934952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4273 (or 4269 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 221934952 is about 14897.4813978739. The cubic root of 221934952 is about 605.4457494110.

The spelling of 221934952 in words is "two hundred twenty-one million, nine hundred thirty-four thousand, nine hundred fifty-two".