225814418522 has 32 divisors (see below), whose sum is σ = 426483529344. Its totient is φ = 87108552000.

The previous prime is 225814418521. The next prime is 225814418537.

225814418522 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×225814418522² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (225814418521) 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, 7243493 + ... + 7274600.

It is an arithmetic number, because the mean of its divisors is an integer number (13327610292).

Almost surely, 2^225814418522 is an apocalyptic number.

225814418522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225814418522 is a deficient number, since it is larger than the sum of its proper divisors (200669110822).

225814418522 is a wasteful number, since it uses less digits than its factorization.

225814418522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14518214.

The product of its digits is 409600, while the sum is 44.

The spelling of 225814418522 in words is "two hundred twenty-five billion, eight hundred fourteen million, four hundred eighteen thousand, five hundred twenty-two".