253860222 has 32 divisors (see below), whose sum is σ = 633003264. Its totient is φ = 65937600.

The previous prime is 253860221. The next prime is 253860239. The reversal of 253860222 is 222068352.

It is a self number, because there is not a number n which added to its sum of digits gives 253860222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253860221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274279 + ... + 275202.

It is an arithmetic number, because the mean of its divisors is an integer number (19781352).

Almost surely, 2^253860222 is an apocalyptic number.

253860222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

253860222 is an abundant number, since it is smaller than the sum of its proper divisors (379143042).

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

253860222 is a wasteful number, since it uses less digits than its factorization.

253860222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549504.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 253860222 is about 15932.9916211614. The cubic root of 253860222 is about 633.1863615257.

The spelling of 253860222 in words is "two hundred fifty-three million, eight hundred sixty thousand, two hundred twenty-two".