22909127472 has 720 divisors, whose sum is σ = 85291874304. Its totient is φ = 5611161600.

The previous prime is 22909127471. The next prime is 22909127473. The reversal of 22909127472 is 27472190922.

It is a happy number.

22909127472 is a `hidden beast` number, since 2 + 2 + 90 + 91 + 2 + 7 + 472 = 666.

It is an interprime number because it is at equal distance from previous prime (22909127471) and next prime (22909127473).

It is a super-2 number, since 2×22909127472² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22909127471) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 276013543 + ... + 276013625.

Almost surely, 2^22909127472 is an apocalyptic number.

22909127472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22909127472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42645937152).

22909127472 is an abundant number, since it is smaller than the sum of its proper divisors (62382746832).

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

22909127472 is a wasteful number, since it uses less digits than its factorization.

22909127472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 22909127472 in words is "twenty-two billion, nine hundred nine million, one hundred twenty-seven thousand, four hundred seventy-two".