7225742 has 8 divisors (see below), whose sum is σ = 10946232. Its totient is φ = 3577000.

The previous prime is 7225739. The next prime is 7225747. The reversal of 7225742 is 2475227.

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

It is a super-2 number, since 2×7225742² = 104422694901128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7225747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17684 + ... + 18087.

It is an arithmetic number, because the mean of its divisors is an integer number (1368279).

Almost surely, 2^7225742 is an apocalyptic number.

7225742 is a deficient number, since it is larger than the sum of its proper divisors (3720490).

7225742 is a wasteful number, since it uses less digits than its factorization.

7225742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35874.

The product of its digits is 7840, while the sum is 29.

The square root of 7225742 is about 2688.0740317186. The cubic root of 7225742 is about 193.3277293923.

The spelling of 7225742 in words is "seven million, two hundred twenty-five thousand, seven hundred forty-two".