253238022 has 64 divisors (see below), whose sum is σ = 574997760. Its totient is φ = 82596672.

The previous prime is 253237991. The next prime is 253238057. The reversal of 253238022 is 220832352.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 894693 + ... + 894975.

It is an arithmetic number, because the mean of its divisors is an integer number (8984340).

Almost surely, 2^253238022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253238022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287498880).

253238022 is an abundant number, since it is smaller than the sum of its proper divisors (321759738).

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

253238022 is a wasteful number, since it uses less digits than its factorization.

253238022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 253238022 is about 15913.4541190780. The cubic root of 253238022 is about 632.6686345440.

The spelling of 253238022 in words is "two hundred fifty-three million, two hundred thirty-eight thousand, twenty-two".