22002402444 has 48 divisors (see below), whose sum is σ = 56016750720. Its totient is φ = 6666128640.

The previous prime is 22002402431. The next prime is 22002402449. The reversal of 22002402444 is 44420420022.

It is not an unprimeable number, because it can be changed into a prime (22002402449) 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, 868347 + ... + 893325.

It is an arithmetic number, because the mean of its divisors is an integer number (1167015640).

Almost surely, 2^22002402444 is an apocalyptic number.

It is an amenable number.

22002402444 is an abundant number, since it is smaller than the sum of its proper divisors (34014348276).

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

22002402444 is a wasteful number, since it uses less digits than its factorization.

22002402444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31670 (or 31668 counting only the distinct ones).

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

Adding to 22002402444 its reverse (44420420022), we get a palindrome (66422822466).

The spelling of 22002402444 in words is "twenty-two billion, two million, four hundred two thousand, four hundred forty-four".