7229985 has 32 divisors (see below), whose sum is σ = 13585152. Its totient is φ = 3214080.

The previous prime is 7229969. The next prime is 7230023. The reversal of 7229985 is 5899227.

7229985 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7229985 - 2⁴ = 7229969 is a prime.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2955 + ... + 4815.

It is an arithmetic number, because the mean of its divisors is an integer number (424536).

Almost surely, 2^7229985 is an apocalyptic number.

It is an amenable number.

7229985 is a deficient number, since it is larger than the sum of its proper divisors (6355167).

7229985 is a wasteful number, since it uses less digits than its factorization.

7229985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913.

The product of its digits is 90720, while the sum is 42.

The square root of 7229985 is about 2688.8631426683. The cubic root of 7229985 is about 193.3655630639.

It can be divided in two parts, 722998 and 5, that added together give a triangular number (723003 = T₁₂₀₂).

The spelling of 7229985 in words is "seven million, two hundred twenty-nine thousand, nine hundred eighty-five".