22691368340 has 24 divisors (see below), whose sum is σ = 48225996000. Its totient is φ = 8967190688.

The previous prime is 22691368339. The next prime is 22691368397. The reversal of 22691368340 is 4386319622.

It is a junction number, because it is equal to n+sod(n) for n = 22691368291 and 22691368300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6833090 + ... + 6836409.

It is an arithmetic number, because the mean of its divisors is an integer number (2009416500).

Almost surely, 2^22691368340 is an apocalyptic number.

22691368340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22691368340 is an abundant number, since it is smaller than the sum of its proper divisors (25534627660).

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

22691368340 is a wasteful number, since it uses less digits than its factorization.

22691368340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13669591 (or 13669589 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 22691368340 in words is "twenty-two billion, six hundred ninety-one million, three hundred sixty-eight thousand, three hundred forty".