22991758272 has 336 divisors, whose sum is σ = 80521039872. Its totient is φ = 6129192960.

The previous prime is 22991758267. The next prime is 22991758277. The reversal of 22991758272 is 27285719922.

It is an interprime number because it is at equal distance from previous prime (22991758267) and next prime (22991758277).

It is a tau number, because it is divible by the number of its divisors (336).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22991758277) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3799153 + ... + 3805199.

It is an arithmetic number, because the mean of its divisors is an integer number (239645952).

Almost surely, 2^22991758272 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 22991758272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40260519936).

22991758272 is an abundant number, since it is smaller than the sum of its proper divisors (57529281600).

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

22991758272 is a wasteful number, since it uses less digits than its factorization.

22991758272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6136 (or 6123 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The spelling of 22991758272 in words is "twenty-two billion, nine hundred ninety-one million, seven hundred fifty-eight thousand, two hundred seventy-two".