253515222 has 12 divisors (see below), whose sum is σ = 549283020. Its totient is φ = 84505068.

The previous prime is 253515221. The next prime is 253515263. The reversal of 253515222 is 222515352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253515221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7042072 + ... + 7042107.

It is an arithmetic number, because the mean of its divisors is an integer number (45773585).

Almost surely, 2^253515222 is an apocalyptic number.

253515222 is an abundant number, since it is smaller than the sum of its proper divisors (295767798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253515222 is a wasteful number, since it uses less digits than its factorization.

253515222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14084187 (or 14084184 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 253515222 is about 15922.1613482592. The cubic root of 253515222 is about 632.8993947762.

The spelling of 253515222 in words is "two hundred fifty-three million, five hundred fifteen thousand, two hundred twenty-two".