22097690560 has 224 divisors, whose sum is σ = 59242586112. Its totient is φ = 7780331520.

The previous prime is 22097690557. The next prime is 22097690623. The reversal of 22097690560 is 6509679022.

It is a super-2 number, since 2×22097690560² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22097690560.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49881699 + ... + 49882141.

Almost surely, 2^22097690560 is an apocalyptic number.

22097690560 is a gapful number since it is divisible by the number (20) 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 22097690560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29621293056).

22097690560 is an abundant number, since it is smaller than the sum of its proper divisors (37144895552).

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

22097690560 is a wasteful number, since it uses less digits than its factorization.

22097690560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 22097690560 in words is "twenty-two billion, ninety-seven million, six hundred ninety thousand, five hundred sixty".