221174934 has 16 divisors (see below), whose sum is σ = 465631680. Its totient is φ = 69844680.

The previous prime is 221174927. The next prime is 221174963. The reversal of 221174934 is 439471122.

It is a junction number, because it is equal to n+sod(n) for n = 221174895 and 221174904.

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, 969952 + ... + 970179.

It is an arithmetic number, because the mean of its divisors is an integer number (29101980).

Almost surely, 2^221174934 is an apocalyptic number.

221174934 is an abundant number, since it is smaller than the sum of its proper divisors (244456746).

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

221174934 is a wasteful number, since it uses less digits than its factorization.

221174934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940155.

The product of its digits is 12096, while the sum is 33.

The square root of 221174934 is about 14871.9512505925. The cubic root of 221174934 is about 604.7538410732.

The spelling of 221174934 in words is "two hundred twenty-one million, one hundred seventy-four thousand, nine hundred thirty-four".