225001100522 has 16 divisors (see below), whose sum is σ = 368308406592. Its totient is φ = 102238564320.

The previous prime is 225001100509. The next prime is 225001100549.

It is a happy number.

225001100522 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×225001100522² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225001100494 and 225001100503.

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, 1666718 + ... + 1796649.

It is an arithmetic number, because the mean of its divisors is an integer number (23019275412).

Almost surely, 2^225001100522 is an apocalyptic number.

225001100522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225001100522 is a deficient number, since it is larger than the sum of its proper divisors (143307306070).

225001100522 is a wasteful number, since it uses less digits than its factorization.

225001100522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466333.

The product of its (nonzero) digits is 400, while the sum is 20.

It can be divided in two parts, 225001 and 100522, that added together give a palindrome (325523).

The spelling of 225001100522 in words is "two hundred twenty-five billion, one million, one hundred thousand, five hundred twenty-two".