22513131404 has 12 divisors (see below), whose sum is σ = 40756531200. Its totient is φ = 10868408208.

The previous prime is 22513131371. The next prime is 22513131409. The reversal of 22513131404 is 40413131522.

It is a happy number.

It is a super-2 number, since 2×22513131404² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22513131409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97039244 + ... + 97039475.

It is an arithmetic number, because the mean of its divisors is an integer number (3396377600).

Almost surely, 2^22513131404 is an apocalyptic number.

It is an amenable number.

22513131404 is a deficient number, since it is larger than the sum of its proper divisors (18243399796).

22513131404 is a wasteful number, since it uses less digits than its factorization.

22513131404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194078752 (or 194078750 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 22513131404 its reverse (40413131522), we get a palindrome (62926262926).

The spelling of 22513131404 in words is "twenty-two billion, five hundred thirteen million, one hundred thirty-one thousand, four hundred four".