7422091 has 2 divisors, whose sum is σ = 7422092. Its totient is φ = 7422090.

The previous prime is 7422083. The next prime is 7422097. The reversal of 7422091 is 1902247.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7422091 - 2³ = 7422083 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (7422097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3711045 + 3711046.

It is an arithmetic number, because the mean of its divisors is an integer number (3711046).

Almost surely, 2^7422091 is an apocalyptic number.

7422091 is a deficient number, since it is larger than the sum of its proper divisors (1).

7422091 is an equidigital number, since it uses as much as digits as its factorization.

7422091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 7422091 is about 2724.3514824633. The cubic root of 7422091 is about 195.0632361205.

The spelling of 7422091 in words is "seven million, four hundred twenty-two thousand, ninety-one".