252221348 has 6 divisors (see below), whose sum is σ = 441387366. Its totient is φ = 126110672.

The previous prime is 252221339. The next prime is 252221357. The reversal of 252221348 is 843122252.

It is an interprime number because it is at equal distance from previous prime (252221339) and next prime (252221357).

It can be written as a sum of positive squares in only one way, i.e., 216913984 + 35307364 = 14728^2 + 5942^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 252221348.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31527665 + ... + 31527672.

It is an arithmetic number, because the mean of its divisors is an integer number (73564561).

Almost surely, 2^252221348 is an apocalyptic number.

It is an amenable number.

252221348 is a deficient number, since it is larger than the sum of its proper divisors (189166018).

252221348 is a wasteful number, since it uses less digits than its factorization.

252221348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63055341 (or 63055339 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 252221348 is about 15881.4781427926. The cubic root of 252221348 is about 631.8208413017.

The spelling of 252221348 in words is "two hundred fifty-two million, two hundred twenty-one thousand, three hundred forty-eight".