37421227 has 2 divisors, whose sum is σ = 37421228. Its totient is φ = 37421226.

The previous prime is 37421213. The next prime is 37421231. The reversal of 37421227 is 72212473.

It is a strong prime.

It is an emirp because it is prime and its reverse (72212473) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37421227 - 2⁷ = 37421099 is a prime.

It is a Chen prime.

It is equal to p_2285830 and since 37421227 and 2285830 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 37421195 and 37421204.

It is not a weakly prime, because it can be changed into another prime (37421287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18710613 + 18710614.

It is an arithmetic number, because the mean of its divisors is an integer number (18710614).

Almost surely, 2^37421227 is an apocalyptic number.

37421227 is a deficient number, since it is larger than the sum of its proper divisors (1).

37421227 is an equidigital number, since it uses as much as digits as its factorization.

37421227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4704, while the sum is 28.

The square root of 37421227 is about 6117.2891872136. The cubic root of 37421227 is about 334.4819407790.

The spelling of 37421227 in words is "thirty-seven million, four hundred twenty-one thousand, two hundred twenty-seven".