222505452 has 72 divisors (see below), whose sum is σ = 641362176. Its totient is φ = 64433664.

The previous prime is 222505433. The next prime is 222505471. The reversal of 222505452 is 254505222.

222505452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222505433) and next prime (222505471).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6028 + ... + 21939.

It is an arithmetic number, because the mean of its divisors is an integer number (8907808).

Almost surely, 2^222505452 is an apocalyptic number.

It is an amenable number.

222505452 is an abundant number, since it is smaller than the sum of its proper divisors (418856724).

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

222505452 is a wasteful number, since it uses less digits than its factorization.

222505452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28007 (or 28002 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 222505452 is about 14916.6166405120. The cubic root of 222505452 is about 605.9640863597.

The spelling of 222505452 in words is "two hundred twenty-two million, five hundred five thousand, four hundred fifty-two".