22605245613 has 16 divisors (see below), whose sum is σ = 33820833600. Its totient is φ = 14920952400.

The previous prime is 22605245603. The next prime is 22605245633. The reversal of 22605245613 is 31654250622.

22605245613 is a `hidden beast` number, since 2 + 2 + 605 + 2 + 45 + 6 + 1 + 3 = 666.

It is not a de Polignac number, because 22605245613 - 2⁸ = 22605245357 is a prime.

It is a super-3 number, since 3×22605245613³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22605245603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4141983 + ... + 4147436.

It is an arithmetic number, because the mean of its divisors is an integer number (2113802100).

Almost surely, 2^22605245613 is an apocalyptic number.

It is an amenable number.

22605245613 is a deficient number, since it is larger than the sum of its proper divisors (11215587987).

22605245613 is a wasteful number, since it uses less digits than its factorization.

22605245613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8289529 (or 8289523 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 22605245613 in words is "twenty-two billion, six hundred five million, two hundred forty-five thousand, six hundred thirteen".