22727940786 has 24 divisors (see below), whose sum is σ = 49603321404. Its totient is φ = 7520680320.

The previous prime is 22727940731. The next prime is 22727940803. The reversal of 22727940786 is 68704972722.

It is a happy number.

22727940786 is a `hidden beast` number, since 22 + 72 + 79 + 407 + 86 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21146685561 + 1581255225 = 145419^2 + 39765^2 .

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 11 ways as a sum of consecutive naturals, for example, 4605795 + ... + 4610726.

Almost surely, 2^22727940786 is an apocalyptic number.

22727940786 is an abundant number, since it is smaller than the sum of its proper divisors (26875380618).

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

22727940786 is a wasteful number, since it uses less digits than its factorization.

22727940786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9216666 (or 9216663 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 22727940786 in words is "twenty-two billion, seven hundred twenty-seven million, nine hundred forty thousand, seven hundred eighty-six".