22734612216 has 96 divisors (see below), whose sum is σ = 63583806000. Its totient is φ = 7333949952.

The previous prime is 22734612181. The next prime is 22734612233. The reversal of 22734612216 is 61221643722.

22734612216 is a `hidden beast` number, since 2 + 2 + 7 + 34 + 612 + 2 + 1 + 6 = 666.

It is a super-2 number, since 2×22734612216² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 303780 + ... + 371148.

Almost surely, 2^22734612216 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 22734612216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31791903000).

22734612216 is an abundant number, since it is smaller than the sum of its proper divisors (40849193784).

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

22734612216 is a wasteful number, since it uses less digits than its factorization.

22734612216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67533 (or 67526 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The spelling of 22734612216 in words is "twenty-two billion, seven hundred thirty-four million, six hundred twelve thousand, two hundred sixteen".