22450834769472 has 168 divisors, whose sum is σ = 64959484479552. Its totient is φ = 7412894438400.

The previous prime is 22450834769459. The next prime is 22450834769549. The reversal of 22450834769472 is 27496743805422.

22450834769472 is a `hidden beast` number, since 2 + 2 + 4 + 5 + 0 + 8 + 3 + 476 + 94 + 72 = 666.

It is a super-2 number, since 2×22450834769472² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1172909022 + ... + 1172928162.

Almost surely, 2^{22450834769472} 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 22450834769472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32479742239776).

22450834769472 is an abundant number, since it is smaller than the sum of its proper divisors (42508649710080).

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

22450834769472 is a wasteful number, since it uses less digits than its factorization.

22450834769472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38297 (or 38284 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 63.

The spelling of 22450834769472 in words is "twenty-two trillion, four hundred fifty billion, eight hundred thirty-four million, seven hundred sixty-nine thousand, four hundred seventy-two".