7427122 has 4 divisors (see below), whose sum is σ = 11140686. Its totient is φ = 3713560.

The previous prime is 7427117. The next prime is 7427131. The reversal of 7427122 is 2217247.

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., 6702921 + 724201 = 2589^2 + 851^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1856779 + ... + 1856782.

Almost surely, 2^7427122 is an apocalyptic number.

7427122 is a deficient number, since it is larger than the sum of its proper divisors (3713564).

7427122 is a wasteful number, since it uses less digits than its factorization.

7427122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3713563.

The product of its digits is 1568, while the sum is 25.

The square root of 7427122 is about 2725.2746650567. The cubic root of 7427122 is about 195.1073001400.

The spelling of 7427122 in words is "seven million, four hundred twenty-seven thousand, one hundred twenty-two".