22091916024 has 360 divisors, whose sum is σ = 69022097760. Its totient is φ = 6599729664.

The previous prime is 22091916023. The next prime is 22091916131. The reversal of 22091916024 is 42061919022.

It is a super-2 number, since 2×22091916024² (a number of 21 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22091916024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22091916023) by changing a digit.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 99066777 + ... + 99066999.

Almost surely, 2^22091916024 is an apocalyptic number.

22091916024 is a gapful number since it is divisible by the number (24) 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 22091916024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34511048880).

22091916024 is an abundant number, since it is smaller than the sum of its proper divisors (46930181736).

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

22091916024 is a wasteful number, since it uses less digits than its factorization.

22091916024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 22091916024 in words is "twenty-two billion, ninety-one million, nine hundred sixteen thousand, twenty-four".