22447899242496 has 2496 divisors, whose sum is σ = 90694107033600. Its totient is φ = 5417769369600.

The previous prime is 22447899242471. The next prime is 22447899242539. The reversal of 22447899242496 is 69424299874422.

22447899242496 is a `hidden beast` number, since 2 + 2 + 4 + 4 + 7 + 8 + 9 + 92 + 42 + 496 = 666.

It is a tau number, because it is divible by the number of its divisors (2496).

It is a super-2 number, since 2×22447899242496² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 41493343986 + ... + 41493344526.

Almost surely, 2^{22447899242496} is an apocalyptic number.

22447899242496 is a gapful number since it is divisible by the number (26) 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 22447899242496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45347053516800).

22447899242496 is an abundant number, since it is smaller than the sum of its proper divisors (68246207791104).

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

22447899242496 is a wasteful number, since it uses less digits than its factorization.

22447899242496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 616 counting only the distinct ones).

The product of its digits is 1003290624, while the sum is 72.

The spelling of 22447899242496 in words is "twenty-two trillion, four hundred forty-seven billion, eight hundred ninety-nine million, two hundred forty-two thousand, four hundred ninety-six".