37225999 has 2 divisors, whose sum is σ = 37226000. Its totient is φ = 37225998.

The previous prime is 37225987. The next prime is 37226017. The reversal of 37225999 is 99952273.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 37225999 - 2⁷ = 37225871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37225919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18612999 + 18613000.

It is an arithmetic number, because the mean of its divisors is an integer number (18613000).

Almost surely, 2^37225999 is an apocalyptic number.

37225999 is a deficient number, since it is larger than the sum of its proper divisors (1).

37225999 is an equidigital number, since it uses as much as digits as its factorization.

37225999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 306180, while the sum is 46.

The square root of 37225999 is about 6101.3112525096. The cubic root of 37225999 is about 333.8992578667.

The spelling of 37225999 in words is "thirty-seven million, two hundred twenty-five thousand, nine hundred ninety-nine".