22299971148 has 648 divisors, whose sum is σ = 77760184320. Its totient is φ = 5349576960.

The previous prime is 22299971039. The next prime is 22299971159. The reversal of 22299971148 is 84117999222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22299971094 and 22299971103.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 175590261 + ... + 175590387.

Almost surely, 2^22299971148 is an apocalyptic number.

22299971148 is a gapful number since it is divisible by the number (28) 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 22299971148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38880092160).

22299971148 is an abundant number, since it is smaller than the sum of its proper divisors (55460213172).

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

22299971148 is a wasteful number, since it uses less digits than its factorization.

22299971148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 202 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The spelling of 22299971148 in words is "twenty-two billion, two hundred ninety-nine million, nine hundred seventy-one thousand, one hundred forty-eight".