7149422 has 16 divisors (see below), whose sum is σ = 12295392. Its totient is φ = 3054240.

The previous prime is 7149413. The next prime is 7149433. The reversal of 7149422 is 2249417.

It is a super-2 number, since 2×7149422² = 102228469868168, which contains 22 as substring.

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, 5288 + ... + 6500.

It is an arithmetic number, because the mean of its divisors is an integer number (768462).

Almost surely, 2^7149422 is an apocalyptic number.

7149422 is a deficient number, since it is larger than the sum of its proper divisors (5145970).

7149422 is a wasteful number, since it uses less digits than its factorization.

7149422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643.

The product of its digits is 4032, while the sum is 29.

The square root of 7149422 is about 2673.8403093678. The cubic root of 7149422 is about 192.6446610377.

The spelling of 7149422 in words is "seven million, one hundred forty-nine thousand, four hundred twenty-two".