37222866 has 12 divisors (see below), whose sum is σ = 80649582. Its totient is φ = 12407616.

The previous prime is 37222849. The next prime is 37222873. The reversal of 37222866 is 66822273.

37222866 is a `hidden beast` number, since 372 + 2 + 286 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 26471025 + 10751841 = 5145^2 + 3279^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 37222866.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1033951 + ... + 1033986.

Almost surely, 2^37222866 is an apocalyptic number.

37222866 is an abundant number, since it is smaller than the sum of its proper divisors (43426716).

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

37222866 is a wasteful number, since it uses less digits than its factorization.

37222866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067945 (or 2067942 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 37222866 is about 6101.0544990190. The cubic root of 37222866 is about 333.8898904376.

The spelling of 37222866 in words is "thirty-seven million, two hundred twenty-two thousand, eight hundred sixty-six".