66222932 has 12 divisors (see below), whose sum is σ = 116491956. Its totient is φ = 32939520.

The previous prime is 66222931. The next prime is 66222941. The reversal of 66222932 is 23922266.

It can be written as a sum of positive squares in 2 ways, for example, as 40780996 + 25441936 = 6386^2 + 5044^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66222931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42119 + ... + 43662.

It is an arithmetic number, because the mean of its divisors is an integer number (9707663).

Almost surely, 2^66222932 is an apocalyptic number.

It is an amenable number.

66222932 is a deficient number, since it is larger than the sum of its proper divisors (50269024).

66222932 is a wasteful number, since it uses less digits than its factorization.

66222932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85978 (or 85976 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

The square root of 66222932 is about 8137.7473541515. The cubic root of 66222932 is about 404.5785016857.

The spelling of 66222932 in words is "sixty-six million, two hundred twenty-two thousand, nine hundred thirty-two".