22694353994 has 8 divisors (see below), whose sum is σ = 36660110340. Its totient is φ = 10474317216.

The previous prime is 22694353991. The next prime is 22694354021. The reversal of 22694353994 is 49935349622.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22678854025 + 15499969 = 150595^2 + 3937^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22694353991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436429859 + ... + 436429910.

Almost surely, 2^22694353994 is an apocalyptic number.

22694353994 is a deficient number, since it is larger than the sum of its proper divisors (13965756346).

22694353994 is a wasteful number, since it uses less digits than its factorization.

22694353994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872859784.

The product of its digits is 12597120, while the sum is 56.

The spelling of 22694353994 in words is "twenty-two billion, six hundred ninety-four million, three hundred fifty-three thousand, nine hundred ninety-four".