22404400422 has 32 divisors (see below), whose sum is σ = 45255867360. Its totient is φ = 7393731840.

The previous prime is 22404400409. The next prime is 22404400471. The reversal of 22404400422 is 22400440422.

It is a junction number, because it is equal to n+sod(n) for n = 22404400392 and 22404400401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 850968 + ... + 876900.

It is an arithmetic number, because the mean of its divisors is an integer number (1414245855).

Almost surely, 2^22404400422 is an apocalyptic number.

22404400422 is an abundant number, since it is smaller than the sum of its proper divisors (22851466938).

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

22404400422 is a wasteful number, since it uses less digits than its factorization.

22404400422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27368.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 22404400422 its reverse (22400440422), we get a palindrome (44804840844).

The spelling of 22404400422 in words is "twenty-two billion, four hundred four million, four hundred thousand, four hundred twenty-two".