22618966 has 4 divisors (see below), whose sum is σ = 33928452. Its totient is φ = 11309482.

The previous prime is 22618957. The next prime is 22618979. The reversal of 22618966 is 66981622.

It is a happy number.

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

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, 5654740 + ... + 5654743.

It is an arithmetic number, because the mean of its divisors is an integer number (8482113).

Almost surely, 2^22618966 is an apocalyptic number.

22618966 is a deficient number, since it is larger than the sum of its proper divisors (11309486).

22618966 is a wasteful number, since it uses less digits than its factorization.

22618966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11309485.

The product of its digits is 62208, while the sum is 40.

The square root of 22618966 is about 4755.9400753163. The cubic root of 22618966 is about 282.8074955984.

The spelling of 22618966 in words is "twenty-two million, six hundred eighteen thousand, nine hundred sixty-six".