7422719 has 2 divisors, whose sum is σ = 7422720. Its totient is φ = 7422718.

The previous prime is 7422691. The next prime is 7422743. The reversal of 7422719 is 9172247.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7422719 - 2¹⁶ = 7357183 is a prime.

It is a super-2 number, since 2×7422719² = 110193514705922, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7424719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3711359 + 3711360.

It is an arithmetic number, because the mean of its divisors is an integer number (3711360).

Almost surely, 2^7422719 is an apocalyptic number.

7422719 is a deficient number, since it is larger than the sum of its proper divisors (1).

7422719 is an equidigital number, since it uses as much as digits as its factorization.

7422719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 32.

The square root of 7422719 is about 2724.4667368129. The cubic root of 7422719 is about 195.0687375467.

The spelling of 7422719 in words is "seven million, four hundred twenty-two thousand, seven hundred nineteen".