37816225 has 12 divisors (see below), whose sum is σ = 46969216. Its totient is φ = 30203280.

The previous prime is 37816223. The next prime is 37816231. The reversal of 37816225 is 52261873.

It is a happy number.

It is not a de Polignac number, because 37816225 - 2¹ = 37816223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37816223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25864 + ... + 27286.

Almost surely, 2^37816225 is an apocalyptic number.

It is an amenable number.

37816225 is a deficient number, since it is larger than the sum of its proper divisors (9152991).

37816225 is a wasteful number, since it uses less digits than its factorization.

37816225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496 (or 2491 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 37816225 is about 6149.4898162368. The cubic root of 37816225 is about 335.6546935550.

The spelling of 37816225 in words is "thirty-seven million, eight hundred sixteen thousand, two hundred twenty-five".