253215122330 has 16 divisors (see below), whose sum is σ = 455809158144. Its totient is φ = 101281173840.

The previous prime is 253215122317. The next prime is 253215122333. The reversal of 253215122330 is 33221512352.

It is a super-4 number, since 4×253215122330⁴ (a number of 47 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 253215122293 and 253215122302.

It is not an unprimeable number, because it can be changed into a prime (253215122333) 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, 387386 + ... + 810245.

It is an arithmetic number, because the mean of its divisors is an integer number (28488072384).

Almost surely, 2^253215122330 is an apocalyptic number.

253215122330 is a deficient number, since it is larger than the sum of its proper divisors (202594035814).

253215122330 is a wasteful number, since it uses less digits than its factorization.

253215122330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218781.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 253215122330 its reverse (33221512352), we get a palindrome (286436634682).

The spelling of 253215122330 in words is "two hundred fifty-three billion, two hundred fifteen million, one hundred twenty-two thousand, three hundred thirty".