252152222 has 16 divisors (see below), whose sum is σ = 438714240. Its totient is φ = 106451928.

The previous prime is 252152213. The next prime is 252152239. The reversal of 252152222 is 222251252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133472 + ... + 135347.

It is an arithmetic number, because the mean of its divisors is an integer number (27419640).

Almost surely, 2^252152222 is an apocalyptic number.

252152222 is a deficient number, since it is larger than the sum of its proper divisors (186562018).

252152222 is a wasteful number, since it uses less digits than its factorization.

252152222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268895.

The product of its digits is 1600, while the sum is 23.

The square root of 252152222 is about 15879.3016848979. The cubic root of 252152222 is about 631.7631152363.

The spelling of 252152222 in words is "two hundred fifty-two million, one hundred fifty-two thousand, two hundred twenty-two".