7225690 has 16 divisors (see below), whose sum is σ = 13075200. Its totient is φ = 2874960.

The previous prime is 7225679. The next prime is 7225709. The reversal of 7225690 is 965227.

It is a super-2 number, since 2×7225690² = 104421191952200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 175 + ... + 3805.

It is an arithmetic number, because the mean of its divisors is an integer number (817200).

Almost surely, 2^7225690 is an apocalyptic number.

7225690 is a deficient number, since it is larger than the sum of its proper divisors (5849510).

7225690 is a wasteful number, since it uses less digits than its factorization.

7225690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 7225690 is about 2688.0643593486. The cubic root of 7225690 is about 193.3272656307.

The spelling of 7225690 in words is "seven million, two hundred twenty-five thousand, six hundred ninety".