22606278664 has 16 divisors (see below), whose sum is σ = 42389075520. Its totient is φ = 11302525200.

The previous prime is 22606278647. The next prime is 22606278671. The reversal of 22606278664 is 46687260622.

It is a super-2 number, since 2×22606278664² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104989 + ... + 237139.

It is an arithmetic number, because the mean of its divisors is an integer number (2649317220).

Almost surely, 2^22606278664 is an apocalyptic number.

It is an amenable number.

22606278664 is a deficient number, since it is larger than the sum of its proper divisors (19782796856).

22606278664 is a wasteful number, since it uses less digits than its factorization.

22606278664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153540 (or 153536 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 22606278664 in words is "twenty-two billion, six hundred six million, two hundred seventy-eight thousand, six hundred sixty-four".