22343426644 has 24 divisors (see below), whose sum is σ = 48749295168. Its totient is φ = 8705231040.

The previous prime is 22343426603. The next prime is 22343426653. The reversal of 22343426644 is 44662434322.

It is a junction number, because it is equal to n+sod(n) for n = 22343426597 and 22343426606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36271489 + ... + 36272104.

It is an arithmetic number, because the mean of its divisors is an integer number (2031220632).

Almost surely, 2^22343426644 is an apocalyptic number.

It is an amenable number.

22343426644 is an abundant number, since it is smaller than the sum of its proper divisors (26405868524).

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

22343426644 is a wasteful number, since it uses less digits than its factorization.

22343426644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72543615 (or 72543613 counting only the distinct ones).

The product of its digits is 663552, while the sum is 40.

The spelling of 22343426644 in words is "twenty-two billion, three hundred forty-three million, four hundred twenty-six thousand, six hundred forty-four".