252224552 has 8 divisors (see below), whose sum is σ = 472921050. Its totient is φ = 126112272.

The previous prime is 252224521. The next prime is 252224561. The reversal of 252224552 is 255422252.

It can be written as a sum of positive squares in only one way, i.e., 238578916 + 13645636 = 15446^2 + 3694^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15764027 + ... + 15764042.

Almost surely, 2^252224552 is an apocalyptic number.

It is an amenable number.

252224552 is a deficient number, since it is larger than the sum of its proper divisors (220696498).

252224552 is a wasteful number, since it uses less digits than its factorization.

252224552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31528075 (or 31528071 counting only the distinct ones).

The product of its digits is 16000, while the sum is 29.

The square root of 252224552 is about 15881.5790146950. The cubic root of 252224552 is about 631.8235166573.

The spelling of 252224552 in words is "two hundred fifty-two million, two hundred twenty-four thousand, five hundred fifty-two".