22422222404 has 12 divisors (see below), whose sum is σ = 39643414524. Its totient is φ = 11095532544.

The previous prime is 22422222397. The next prime is 22422222421. The reversal of 22422222404 is 40422222422.

It can be written as a sum of positive squares in 2 ways, for example, as 9215616004 + 13206606400 = 95998^2 + 114920^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28894229 + ... + 28895004.

It is an arithmetic number, because the mean of its divisors is an integer number (3303617877).

Almost surely, 2^22422222404 is an apocalyptic number.

It is an amenable number.

22422222404 is a deficient number, since it is larger than the sum of its proper divisors (17221192120).

22422222404 is a wasteful number, since it uses less digits than its factorization.

22422222404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57789334 (or 57789332 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 22422222404 its reverse (40422222422), we get a palindrome (62844444826).

The spelling of 22422222404 in words is "twenty-two billion, four hundred twenty-two million, two hundred twenty-two thousand, four hundred four".