7442422 has 24 divisors (see below), whose sum is σ = 12266856. Its totient is φ = 3384576.

The previous prime is 7442399. The next prime is 7442431. The reversal of 7442422 is 2242447.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32673 + ... + 32899.

It is an arithmetic number, because the mean of its divisors is an integer number (511119).

Almost surely, 2^7442422 is an apocalyptic number.

7442422 is a deficient number, since it is larger than the sum of its proper divisors (4824434).

7442422 is a wasteful number, since it uses less digits than its factorization.

7442422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 339 counting only the distinct ones).

The product of its digits is 3584, while the sum is 25.

The square root of 7442422 is about 2728.0802774112. The cubic root of 7442422 is about 195.2411830546.

Adding to 7442422 its sum of digits (25), we get a palindrome (7442447).

Adding to 7442422 its reverse (2242447), we get a palindrome (9684869).

The spelling of 7442422 in words is "seven million, four hundred forty-two thousand, four hundred twenty-two".