22668667 has 16 divisors (see below), whose sum is σ = 27827712. Its totient is φ = 18023040.

The previous prime is 22668661. The next prime is 22668671. The reversal of 22668667 is 76686622.

It is not a de Polignac number, because 22668667 - 2¹¹ = 22666619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22668661) 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, 7108 + ... + 9790.

It is an arithmetic number, because the mean of its divisors is an integer number (1739232).

Almost surely, 2^22668667 is an apocalyptic number.

22668667 is a deficient number, since it is larger than the sum of its proper divisors (5159045).

22668667 is a wasteful number, since it uses less digits than its factorization.

22668667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778.

The product of its digits is 290304, while the sum is 43.

The square root of 22668667 is about 4761.1623580802. The cubic root of 22668667 is about 283.0144831455.

The spelling of 22668667 in words is "twenty-two million, six hundred sixty-eight thousand, six hundred sixty-seven".