22276819746 has 20 divisors (see below), whose sum is σ = 49916577942. Its totient is φ = 7425606528.

The previous prime is 22276819727. The next prime is 22276819751. The reversal of 22276819746 is 64791867222.

It can be written as a sum of positive squares in only one way, i.e., 14265674721 + 8011145025 = 119439^2 + 89505^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 22276819692 and 22276819701.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 68755455 + ... + 68755778.

Almost surely, 2^22276819746 is an apocalyptic number.

22276819746 is an abundant number, since it is smaller than the sum of its proper divisors (27639758196).

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

22276819746 is a wasteful number, since it uses less digits than its factorization.

22276819746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137511247 (or 137511238 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The spelling of 22276819746 in words is "twenty-two billion, two hundred seventy-six million, eight hundred nineteen thousand, seven hundred forty-six".