22212734976 has 364 divisors, whose sum is σ = 68542353528. Its totient is φ = 7190249472.

The previous prime is 22212734959. The next prime is 22212735029. The reversal of 22212734976 is 67943721222.

22212734976 is a `hidden beast` number, since 22 + 212 + 7 + 349 + 76 = 666.

It is a super-2 number, since 2×22212734976² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 128397226 + ... + 128397398.

Almost surely, 2^22212734976 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 22212734976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34271176764).

22212734976 is an abundant number, since it is smaller than the sum of its proper divisors (46329618552).

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

22212734976 is an frugal number, since it uses more digits than its factorization.

22212734976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 221 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The spelling of 22212734976 in words is "twenty-two billion, two hundred twelve million, seven hundred thirty-four thousand, nine hundred seventy-six".