22668694 has 4 divisors (see below), whose sum is σ = 34003044. Its totient is φ = 11334346.

The previous prime is 22668689. The next prime is 22668703. The reversal of 22668694 is 49686622.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22668694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5667172 + ... + 5667175.

It is an arithmetic number, because the mean of its divisors is an integer number (8500761).

Almost surely, 2^22668694 is an apocalyptic number.

22668694 is a deficient number, since it is larger than the sum of its proper divisors (11334350).

22668694 is a wasteful number, since it uses less digits than its factorization.

22668694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11334349.

The product of its digits is 248832, while the sum is 43.

The square root of 22668694 is about 4761.1651935214. The cubic root of 22668694 is about 283.0145955089.

The spelling of 22668694 in words is "twenty-two million, six hundred sixty-eight thousand, six hundred ninety-four".