37092221 has 2 divisors, whose sum is σ = 37092222. Its totient is φ = 37092220.

The previous prime is 37092217. The next prime is 37092227. The reversal of 37092221 is 12229073.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30096196 + 6996025 = 5486^2 + 2645^2 .

It is an emirp because it is prime and its reverse (12229073) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37092221 - 2² = 37092217 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37092227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18546110 + 18546111.

It is an arithmetic number, because the mean of its divisors is an integer number (18546111).

Almost surely, 2^37092221 is an apocalyptic number.

It is an amenable number.

37092221 is a deficient number, since it is larger than the sum of its proper divisors (1).

37092221 is an equidigital number, since it uses as much as digits as its factorization.

37092221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 37092221 is about 6090.3383321454. The cubic root of 37092221 is about 333.4988030679.

The spelling of 37092221 in words is "thirty-seven million, ninety-two thousand, two hundred twenty-one".