22993293646 has 32 divisors (see below), whose sum is σ = 35094215520. Its totient is φ = 11297104896.

The previous prime is 22993293607. The next prime is 22993293649. The reversal of 22993293646 is 64639239922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22993293649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35211456 + ... + 35212108.

It is an arithmetic number, because the mean of its divisors is an integer number (1096694235).

Almost surely, 2^22993293646 is an apocalyptic number.

22993293646 is a deficient number, since it is larger than the sum of its proper divisors (12100921874).

22993293646 is a wasteful number, since it uses less digits than its factorization.

22993293646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668.

The product of its digits is 7558272, while the sum is 55.

The spelling of 22993293646 in words is "twenty-two billion, nine hundred ninety-three million, two hundred ninety-three thousand, six hundred forty-six".