22312164002 has 8 divisors (see below), whose sum is σ = 34284544812. Its totient is φ = 10883982400.

The previous prime is 22312163977. The next prime is 22312164013. The reversal of 22312164002 is 20046121322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18908725081 + 3403438921 = 137509^2 + 58339^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×22312164002³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136049699 + ... + 136049862.

Almost surely, 2^22312164002 is an apocalyptic number.

22312164002 is a deficient number, since it is larger than the sum of its proper divisors (11972380810).

22312164002 is a wasteful number, since it uses less digits than its factorization.

22312164002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272099604.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 22312164002 its reverse (20046121322), we get a palindrome (42358285324).

The spelling of 22312164002 in words is "twenty-two billion, three hundred twelve million, one hundred sixty-four thousand, two".