253430122 has 16 divisors (see below), whose sum is σ = 417107232. Its totient is φ = 114527920.

The previous prime is 253430087. The next prime is 253430167. The reversal of 253430122 is 221034352.

253430122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 253430093 and 253430102.

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, 29488 + ... + 37099.

It is an arithmetic number, because the mean of its divisors is an integer number (26069202).

Almost surely, 2^253430122 is an apocalyptic number.

253430122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

253430122 is a deficient number, since it is larger than the sum of its proper divisors (163677110).

253430122 is a wasteful number, since it uses less digits than its factorization.

253430122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66773.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 253430122 is about 15919.4887480723. The cubic root of 253430122 is about 632.8285696193.

Adding to 253430122 its reverse (221034352), we get a palindrome (474464474).

The spelling of 253430122 in words is "two hundred fifty-three million, four hundred thirty thousand, one hundred twenty-two".