252623222 has 8 divisors (see below), whose sum is σ = 388177272. Its totient is φ = 123230800.

The previous prime is 252623209. The next prime is 252623243. The reversal of 252623222 is 222326252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×252623222² = 127636984587322568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 252623191 and 252623200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1540304 + ... + 1540467.

It is an arithmetic number, because the mean of its divisors is an integer number (48522159).

Almost surely, 2^252623222 is an apocalyptic number.

252623222 is a deficient number, since it is larger than the sum of its proper divisors (135554050).

252623222 is a wasteful number, since it uses less digits than its factorization.

252623222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080814.

The product of its digits is 5760, while the sum is 26.

The square root of 252623222 is about 15894.1253927355. The cubic root of 252623222 is about 632.1562314050.

Adding to 252623222 its reverse (222326252), we get a palindrome (474949474).

The spelling of 252623222 in words is "two hundred fifty-two million, six hundred twenty-three thousand, two hundred twenty-two".