22013031404 has 72 divisors (see below), whose sum is σ = 47648109600. Its totient is φ = 8665380864.

The previous prime is 22013031389. The next prime is 22013031427. The reversal of 22013031404 is 40413031022.

It is a super-2 number, since 2×22013031404² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49026572 + ... + 49027020.

It is an arithmetic number, because the mean of its divisors is an integer number (661779300).

Almost surely, 2^22013031404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22013031404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23824054800).

22013031404 is an abundant number, since it is smaller than the sum of its proper divisors (25635078196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22013031404 is a wasteful number, since it uses less digits than its factorization.

22013031404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207 (or 838 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22013031404 its reverse (40413031022), we get a palindrome (62426062426).

The spelling of 22013031404 in words is "twenty-two billion, thirteen million, thirty-one thousand, four hundred four".