22044431404 has 24 divisors (see below), whose sum is σ = 39341499120. Its totient is φ = 10804382784.

The previous prime is 22044431401. The next prime is 22044431417. The reversal of 22044431404 is 40413444022.

It is a super-2 number, since 2×22044431404² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22044431401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188227 + ... + 281989.

It is an arithmetic number, because the mean of its divisors is an integer number (1639229130).

Almost surely, 2^22044431404 is an apocalyptic number.

It is an amenable number.

22044431404 is a deficient number, since it is larger than the sum of its proper divisors (17297067716).

22044431404 is a wasteful number, since it uses less digits than its factorization.

22044431404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94929 (or 94927 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 22044431404 its reverse (40413444022), we get a palindrome (62457875426).

The spelling of 22044431404 in words is "twenty-two billion, forty-four million, four hundred thirty-one thousand, four hundred four".