252220154 has 16 divisors (see below), whose sum is σ = 392276736. Its totient is φ = 121497600.

The previous prime is 252220147. The next prime is 252220159. The reversal of 252220154 is 451022252.

252220154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (252220159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5114 + ... + 23034.

It is an arithmetic number, because the mean of its divisors is an integer number (24517296).

Almost surely, 2^252220154 is an apocalyptic number.

252220154 is a deficient number, since it is larger than the sum of its proper divisors (140056582).

252220154 is a wasteful number, since it uses less digits than its factorization.

252220154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18181.

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

The square root of 252220154 is about 15881.4405517887. The cubic root of 252220154 is about 631.8198443001.

The spelling of 252220154 in words is "two hundred fifty-two million, two hundred twenty thousand, one hundred fifty-four".