22942742894 has 4 divisors (see below), whose sum is σ = 34414114344. Its totient is φ = 11471371446.

The previous prime is 22942742863. The next prime is 22942742897. The reversal of 22942742894 is 49824724922.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22942742897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5735685722 + ... + 5735685725.

It is an arithmetic number, because the mean of its divisors is an integer number (8603528586).

Almost surely, 2^22942742894 is an apocalyptic number.

22942742894 is a deficient number, since it is larger than the sum of its proper divisors (11471371450).

22942742894 is a wasteful number, since it uses less digits than its factorization.

22942742894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11471371449.

The product of its digits is 4644864, while the sum is 53.

The spelling of 22942742894 in words is "twenty-two billion, nine hundred forty-two million, seven hundred forty-two thousand, eight hundred ninety-four".