22771495748 has 24 divisors (see below), whose sum is σ = 40024202400. Its totient is φ = 11336105088.

The previous prime is 22771495727. The next prime is 22771495751. The reversal of 22771495748 is 84759417722.

It is a junction number, because it is equal to n+sod(n) for n = 22771495693 and 22771495702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 984743 + ... + 1007601.

It is an arithmetic number, because the mean of its divisors is an integer number (1667675100).

Almost surely, 2^22771495748 is an apocalyptic number.

It is an amenable number.

22771495748 is a deficient number, since it is larger than the sum of its proper divisors (17252706652).

22771495748 is a wasteful number, since it uses less digits than its factorization.

22771495748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23939 (or 23937 counting only the distinct ones).

The product of its digits is 7902720, while the sum is 56.

The spelling of 22771495748 in words is "twenty-two billion, seven hundred seventy-one million, four hundred ninety-five thousand, seven hundred forty-eight".