22312604244 has 144 divisors (see below), whose sum is σ = 65860760448. Its totient is φ = 5738962944.

The previous prime is 22312604207. The next prime is 22312604273. The reversal of 22312604244 is 44240621322.

It is a super-3 number, since 3×22312604244³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 740644 + ... + 770180.

It is an arithmetic number, because the mean of its divisors is an integer number (457366392).

Almost surely, 2^22312604244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22312604244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32930380224).

22312604244 is an abundant number, since it is smaller than the sum of its proper divisors (43548156204).

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

22312604244 is a wasteful number, since it uses less digits than its factorization.

22312604244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29614 (or 29589 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 22312604244 in words is "twenty-two billion, three hundred twelve million, six hundred four thousand, two hundred forty-four".