22344400002 has 16 divisors (see below), whose sum is σ = 45639626112. Its totient is φ = 7289662320.

The previous prime is 22344399977. The next prime is 22344400021. The reversal of 22344400002 is 20000444322.

It is a super-2 number, since 2×22344400002² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39617449 + ... + 39618012.

It is an arithmetic number, because the mean of its divisors is an integer number (2852476632).

Almost surely, 2^22344400002 is an apocalyptic number.

22344400002 is an abundant number, since it is smaller than the sum of its proper divisors (23295226110).

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

22344400002 is a wasteful number, since it uses less digits than its factorization.

22344400002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79235513.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 22344400002 its reverse (20000444322), we get a palindrome (42344844324).

The spelling of 22344400002 in words is "twenty-two billion, three hundred forty-four million, four hundred thousand, two".