7151422 has 16 divisors (see below), whose sum is σ = 10950912. Its totient is φ = 3502080.

The previous prime is 7151401. The next prime is 7151447. The reversal of 7151422 is 2241517.

It is a happy number.

It is a super-2 number, since 2×7151422² = 102285673244168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7151393 and 7151402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36958 + ... + 37150.

It is an arithmetic number, because the mean of its divisors is an integer number (684432).

Almost surely, 2^7151422 is an apocalyptic number.

7151422 is a deficient number, since it is larger than the sum of its proper divisors (3799490).

7151422 is a wasteful number, since it uses less digits than its factorization.

7151422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483.

The product of its digits is 560, while the sum is 22.

The square root of 7151422 is about 2674.2142771289. The cubic root of 7151422 is about 192.6626230212.

Adding to 7151422 its reverse (2241517), we get a palindrome (9392939).

The spelling of 7151422 in words is "seven million, one hundred fifty-one thousand, four hundred twenty-two".