22272385626 has 12 divisors (see below), whose sum is σ = 48256835562. Its totient is φ = 7424128536.

The previous prime is 22272385609. The next prime is 22272385657. The reversal of 22272385626 is 62658327222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21976580025 + 295805601 = 148245^2 + 17199^2 .

It is a super-2 number, since 2×22272385626² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 618677361 + ... + 618677396.

Almost surely, 2^22272385626 is an apocalyptic number.

22272385626 is an abundant number, since it is smaller than the sum of its proper divisors (25984449936).

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

22272385626 is a wasteful number, since it uses less digits than its factorization.

22272385626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237354765 (or 1237354762 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 22272385626 in words is "twenty-two billion, two hundred seventy-two million, three hundred eighty-five thousand, six hundred twenty-six".