252222337 has 4 divisors (see below), whose sum is σ = 252666180. Its totient is φ = 251778496.

The previous prime is 252222329. The next prime is 252222361. The reversal of 252222337 is 733222252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26050816 + 226171521 = 5104^2 + 15039^2 .

It is a cyclic number.

It is not a de Polignac number, because 252222337 - 2³ = 252222329 is a prime.

It is a super-2 number, since 2×252222337² = 127232214563483138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252229337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221068 + ... + 222205.

It is an arithmetic number, because the mean of its divisors is an integer number (63166545).

Almost surely, 2^252222337 is an apocalyptic number.

It is an amenable number.

252222337 is a deficient number, since it is larger than the sum of its proper divisors (443843).

252222337 is an equidigital number, since it uses as much as digits as its factorization.

252222337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443842.

The product of its digits is 10080, while the sum is 28.

The square root of 252222337 is about 15881.5092796623. The cubic root of 252222337 is about 631.8216671239.

Adding to 252222337 its reverse (733222252), we get a palindrome (985444589).

The spelling of 252222337 in words is "two hundred fifty-two million, two hundred twenty-two thousand, three hundred thirty-seven".