37225000 has 48 divisors (see below), whose sum is σ = 87299100. Its totient is φ = 14880000.

The previous prime is 37224977. The next prime is 37225021. The reversal of 37225000 is 52273.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 8773444 + 28451556 = 2962^2 + 5334^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24256 + ... + 25744.

Almost surely, 2^37225000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37225000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43649550).

37225000 is an abundant number, since it is smaller than the sum of its proper divisors (50074100).

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

37225000 is an equidigital number, since it uses as much as digits as its factorization.

37225000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520 (or 1496 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 37225000 is about 6101.2293843126. The cubic root of 37225000 is about 333.8962709906.

Adding to 37225000 its reverse (52273), we get a palindrome (37277273).

The spelling of 37225000 in words is "thirty-seven million, two hundred twenty-five thousand".