22307444712 has 384 divisors, whose sum is σ = 74493619200. Its totient is φ = 6121640448.

The previous prime is 22307444683. The next prime is 22307444713. The reversal of 22307444712 is 21744470322.

It is a super-3 number, since 3×22307444712³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (22307444713) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 39204364 + ... + 39204932.

It is an arithmetic number, because the mean of its divisors is an integer number (193993800).

Almost surely, 2^22307444712 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 22307444712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37246809600).

22307444712 is an abundant number, since it is smaller than the sum of its proper divisors (52186174488).

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

22307444712 is a wasteful number, since it uses less digits than its factorization.

22307444712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The spelling of 22307444712 in words is "twenty-two billion, three hundred seven million, four hundred forty-four thousand, seven hundred twelve".