7922227 has 2 divisors, whose sum is σ = 7922228. Its totient is φ = 7922226.

The previous prime is 7922219. The next prime is 7922231. The reversal of 7922227 is 7222297.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7922227 - 2³ = 7922219 is a prime.

It is not a weakly prime, because it can be changed into another prime (7922207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3961113 + 3961114.

It is an arithmetic number, because the mean of its divisors is an integer number (3961114).

Almost surely, 2^7922227 is an apocalyptic number.

7922227 is a deficient number, since it is larger than the sum of its proper divisors (1).

7922227 is an equidigital number, since it uses as much as digits as its factorization.

7922227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 31.

The square root of 7922227 is about 2814.6450930801. The cubic root of 7922227 is about 199.3497800275.

The spelling of 7922227 in words is "seven million, nine hundred twenty-two thousand, two hundred twenty-seven".