22668464 has 40 divisors (see below), whose sum is σ = 54059040. Its totient is φ = 8967168.

The previous prime is 22668461. The next prime is 22668467. The reversal of 22668464 is 46486622.

It is an interprime number because it is at equal distance from previous prime (22668461) and next prime (22668467).

It is not an unprimeable number, because it can be changed into a prime (22668461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6329 + ... + 9240.

It is an arithmetic number, because the mean of its divisors is an integer number (1351476).

Almost surely, 2^22668464 is an apocalyptic number.

It is an amenable number.

22668464 is an abundant number, since it is smaller than the sum of its proper divisors (31390576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22668464 is a wasteful number, since it uses less digits than its factorization.

22668464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15597 (or 15591 counting only the distinct ones).

The product of its digits is 110592, while the sum is 38.

The square root of 22668464 is about 4761.1410397089. The cubic root of 22668464 is about 283.0136383360.

It can be divided in two parts, 22668 and 464, that added together give a palindrome (23132).

The spelling of 22668464 in words is "twenty-two million, six hundred sixty-eight thousand, four hundred sixty-four".