9225742 has 4 divisors (see below), whose sum is σ = 13838616. Its totient is φ = 4612870.

The previous prime is 9225739. The next prime is 9225757. The reversal of 9225742 is 2475229.

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

It is a super-2 number, since 2×9225742² = 170228630901128, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2306434 + ... + 2306437.

It is an arithmetic number, because the mean of its divisors is an integer number (3459654).

Almost surely, 2^9225742 is an apocalyptic number.

9225742 is a deficient number, since it is larger than the sum of its proper divisors (4612874).

9225742 is a wasteful number, since it uses less digits than its factorization.

9225742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4612873.

The product of its digits is 10080, while the sum is 31.

The square root of 9225742 is about 3037.3906564681. The cubic root of 9225742 is about 209.7331607028.

The spelling of 9225742 in words is "nine million, two hundred twenty-five thousand, seven hundred forty-two".