66022204 has 6 divisors (see below), whose sum is σ = 115538864. Its totient is φ = 33011100.

The previous prime is 66022193. The next prime is 66022211. The reversal of 66022204 is 40222066.

It is a happy number.

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, 8252772 + ... + 8252779.

Almost surely, 2^66022204 is an apocalyptic number.

It is an amenable number.

66022204 is a deficient number, since it is larger than the sum of its proper divisors (49516660).

66022204 is a wasteful number, since it uses less digits than its factorization.

66022204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16505555 (or 16505553 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 66022204 is about 8125.4048514520. The cubic root of 66022204 is about 404.1693160181.

The spelling of 66022204 in words is "sixty-six million, twenty-two thousand, two hundred four".