22442402404 has 12 divisors (see below), whose sum is σ = 39663058428. Its totient is φ = 11110100000.

The previous prime is 22442402393. The next prime is 22442402407. The reversal of 22442402404 is 40420424422.

It can be written as a sum of positive squares in 2 ways, for example, as 19633614400 + 2808788004 = 140120^2 + 52998^2 .

It is a super-2 number, since 2×22442402404² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22442402407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27774847 + ... + 27775654.

It is an arithmetic number, because the mean of its divisors is an integer number (3305254869).

Almost surely, 2^22442402404 is an apocalyptic number.

It is an amenable number.

22442402404 is a deficient number, since it is larger than the sum of its proper divisors (17220656024).

22442402404 is a wasteful number, since it uses less digits than its factorization.

22442402404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55550606 (or 55550604 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 22442402404 its reverse (40420424422), we get a palindrome (62862826826).

The spelling of 22442402404 in words is "twenty-two billion, four hundred forty-two million, four hundred two thousand, four hundred four".