22404433422 has 32 divisors (see below), whose sum is σ = 51263960832. Its totient is φ = 6394538304.

The previous prime is 22404433421. The next prime is 22404433451. The reversal of 22404433422 is 22433440422.

It is a self number, because there is not a number n which added to its sum of digits gives 22404433422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22404433421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239848 + ... + 319899.

It is an arithmetic number, because the mean of its divisors is an integer number (1601998776).

Almost surely, 2^22404433422 is an apocalyptic number.

22404433422 is an abundant number, since it is smaller than the sum of its proper divisors (28859527410).

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

22404433422 is a wasteful number, since it uses less digits than its factorization.

22404433422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560712.

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 22404433422 its reverse (22433440422), we get a palindrome (44837873844).

The spelling of 22404433422 in words is "twenty-two billion, four hundred four million, four hundred thirty-three thousand, four hundred twenty-two".