22727542774 has 4 divisors (see below), whose sum is σ = 34091314164. Its totient is φ = 11363771386.

The previous prime is 22727542757. The next prime is 22727542787. The reversal of 22727542774 is 47724572722.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5681885692 + ... + 5681885695.

It is an arithmetic number, because the mean of its divisors is an integer number (8522828541).

Almost surely, 2^22727542774 is an apocalyptic number.

22727542774 is a deficient number, since it is larger than the sum of its proper divisors (11363771390).

22727542774 is a wasteful number, since it uses less digits than its factorization.

22727542774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11363771389.

The product of its digits is 3073280, while the sum is 49.

The spelling of 22727542774 in words is "twenty-two billion, seven hundred twenty-seven million, five hundred forty-two thousand, seven hundred seventy-four".