7145422 has 8 divisors (see below), whose sum is σ = 10735200. Its totient is φ = 3567024.

The previous prime is 7145417. The next prime is 7145443. The reversal of 7145422 is 2245417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1047 + ... + 3922.

It is an arithmetic number, because the mean of its divisors is an integer number (1341900).

Almost surely, 2^7145422 is an apocalyptic number.

7145422 is a deficient number, since it is larger than the sum of its proper divisors (3589778).

7145422 is a wasteful number, since it uses less digits than its factorization.

7145422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5690.

The product of its digits is 2240, while the sum is 25.

The square root of 7145422 is about 2673.0922168904. The cubic root of 7145422 is about 192.6087270187.

The spelling of 7145422 in words is "seven million, one hundred forty-five thousand, four hundred twenty-two".