7428922 has 4 divisors (see below), whose sum is σ = 11143386. Its totient is φ = 3714460.

The previous prime is 7428917. The next prime is 7428929. The reversal of 7428922 is 2298247.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4076361 + 3352561 = 2019^2 + 1831^2 .

It is not an unprimeable number, because it can be changed into a prime (7428929) by changing a digit.

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 as a sum of consecutive naturals, namely, 1857229 + ... + 1857232.

Almost surely, 2^7428922 is an apocalyptic number.

7428922 is a deficient number, since it is larger than the sum of its proper divisors (3714464).

7428922 is a wasteful number, since it uses less digits than its factorization.

7428922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3714463.

The product of its digits is 16128, while the sum is 34.

The square root of 7428922 is about 2725.6048869930. The cubic root of 7428922 is about 195.1230606088.

The spelling of 7428922 in words is "seven million, four hundred twenty-eight thousand, nine hundred twenty-two".