25233235522 has 32 divisors (see below), whose sum is σ = 42017019840. Its totient is φ = 11268156480.

The previous prime is 25233235487. The next prime is 25233235579. The reversal of 25233235522 is 22553233252.

It is a super-2 number, since 2×25233235522² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2431168 + ... + 2441524.

It is an arithmetic number, because the mean of its divisors is an integer number (1313031870).

Almost surely, 2^25233235522 is an apocalyptic number.

25233235522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25233235522 is a deficient number, since it is larger than the sum of its proper divisors (16783784318).

25233235522 is a wasteful number, since it uses less digits than its factorization.

25233235522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12306.

The product of its digits is 108000, while the sum is 34.

Adding to 25233235522 its reverse (22553233252), we get a palindrome (47786468774).

The spelling of 25233235522 in words is "twenty-five billion, two hundred thirty-three million, two hundred thirty-five thousand, five hundred twenty-two".