22748568394 has 16 divisors (see below), whose sum is σ = 36216331200. Its totient is φ = 10679652544.

The previous prime is 22748568383. The next prime is 22748568413. The reversal of 22748568394 is 49386584722.

It is a happy number.

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, 784174 + ... + 812665.

It is an arithmetic number, because the mean of its divisors is an integer number (2263520700).

Almost surely, 2^22748568394 is an apocalyptic number.

22748568394 is a deficient number, since it is larger than the sum of its proper divisors (13467762806).

22748568394 is a wasteful number, since it uses less digits than its factorization.

22748568394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597277.

The product of its digits is 23224320, while the sum is 58.

The spelling of 22748568394 in words is "twenty-two billion, seven hundred forty-eight million, five hundred sixty-eight thousand, three hundred ninety-four".