7422417 has 12 divisors (see below), whose sum is σ = 10766340. Its totient is φ = 4927488.

The previous prime is 7422413. The next prime is 7422431. The reversal of 7422417 is 7142247.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6170256 + 1252161 = 2484^2 + 1119^2 .

It is not a de Polignac number, because 7422417 - 2² = 7422413 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7422413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 709 + ... + 3917.

It is an arithmetic number, because the mean of its divisors is an integer number (897195).

Almost surely, 2^7422417 is an apocalyptic number.

It is an amenable number.

7422417 is a deficient number, since it is larger than the sum of its proper divisors (3343923).

7422417 is a wasteful number, since it uses less digits than its factorization.

7422417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3472 (or 3469 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 7422417 is about 2724.4113125591. The cubic root of 7422417 is about 195.0660919951.

The spelling of 7422417 in words is "seven million, four hundred twenty-two thousand, four hundred seventeen".