252315622 has 16 divisors (see below), whose sum is σ = 407956752. Its totient is φ = 116347680.

The previous prime is 252315587. The next prime is 252315643. The reversal of 252315622 is 226513252.

252315622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 29808 + ... + 37324.

It is an arithmetic number, because the mean of its divisors is an integer number (25497297).

Almost surely, 2^252315622 is an apocalyptic number.

252315622 is a deficient number, since it is larger than the sum of its proper divisors (155641130).

252315622 is a wasteful number, since it uses less digits than its factorization.

252315622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8823.

The product of its digits is 7200, while the sum is 28.

The square root of 252315622 is about 15884.4459141640. The cubic root of 252315622 is about 631.8995510789.

Adding to 252315622 its reverse (226513252), we get a palindrome (478828874).

It can be divided in two parts, 2523 and 15622, that added together give a triangular number (18145 = T₁₉₀).

The spelling of 252315622 in words is "two hundred fifty-two million, three hundred fifteen thousand, six hundred twenty-two".