252270722 has 18 divisors (see below), whose sum is σ = 416341737. Its totient is φ = 114556200.

The previous prime is 252270719. The next prime is 252270727. The reversal of 252270722 is 227072252.

It can be written as a sum of positive squares in 2 ways, for example, as 250557241 + 1713481 = 15829^2 + 1309^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=11231.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252270727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 246572 + ... + 247592.

Almost surely, 2^252270722 is an apocalyptic number.

252270722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

252270722 is a deficient number, since it is larger than the sum of its proper divisors (164071015).

252270722 is an equidigital number, since it uses as much as digits as its factorization.

252270722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066 (or 1034 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 252270722 is about 15883.0325190122. The cubic root of 252270722 is about 631.8620663171.

The spelling of 252270722 in words is "two hundred fifty-two million, two hundred seventy thousand, seven hundred twenty-two".