22316347644 has 36 divisors (see below), whose sum is σ = 55314692664. Its totient is φ = 7001206016.

The previous prime is 22316347633. The next prime is 22316347649. The reversal of 22316347644 is 44674361322.

It is a super-3 number, since 3×22316347644³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22316347596 and 22316347605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22316347649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3213999 + ... + 3220934.

Almost surely, 2^22316347644 is an apocalyptic number.

It is an amenable number.

22316347644 is an abundant number, since it is smaller than the sum of its proper divisors (32998345020).

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

22316347644 is a wasteful number, since it uses less digits than its factorization.

22316347644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6434974 (or 6434955 counting only the distinct ones).

The product of its digits is 580608, while the sum is 42.

The spelling of 22316347644 in words is "twenty-two billion, three hundred sixteen million, three hundred forty-seven thousand, six hundred forty-four".