22243679406 has 80 divisors (see below), whose sum is σ = 54985735728. Its totient is φ = 6677251200.

The previous prime is 22243679387. The next prime is 22243679417. The reversal of 22243679406 is 60497634222.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 42460 + ... + 215151.

Almost surely, 2^22243679406 is an apocalyptic number.

22243679406 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22243679406 is an abundant number, since it is smaller than the sum of its proper divisors (32742056322).

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

22243679406 is a wasteful number, since it uses less digits than its factorization.

22243679406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257679 (or 257670 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 22243679406 in words is "twenty-two billion, two hundred forty-three million, six hundred seventy-nine thousand, four hundred six".