221034232 has 64 divisors (see below), whose sum is σ = 449971200. Its totient is φ = 101523840.

The previous prime is 221034223. The next prime is 221034257. The reversal of 221034232 is 232430122.

It is a super-2 number, since 2×221034232² = 97712263431659648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 527319 + ... + 527737.

It is an arithmetic number, because the mean of its divisors is an integer number (7030800).

Almost surely, 2^221034232 is an apocalyptic number.

It is an amenable number.

221034232 is an abundant number, since it is smaller than the sum of its proper divisors (228936968).

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

221034232 is a wasteful number, since it uses less digits than its factorization.

221034232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 221034232 is about 14867.2200494914. The cubic root of 221034232 is about 604.6255743910.

Adding to 221034232 its reverse (232430122), we get a palindrome (453464354).

It can be divided in two parts, 22103 and 4232, that added together give a triangular number (26335 = T₂₂₉).

The spelling of 221034232 in words is "two hundred twenty-one million, thirty-four thousand, two hundred thirty-two".