7229838 has 32 divisors (see below), whose sum is σ = 18028800. Its totient is φ = 1877760.

The previous prime is 7229813. The next prime is 7229857. The reversal of 7229838 is 8389227.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 7229796 and 7229805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7363 + ... + 8286.

It is an arithmetic number, because the mean of its divisors is an integer number (563400).

Almost surely, 2^7229838 is an apocalyptic number.

7229838 is an abundant number, since it is smaller than the sum of its proper divisors (10798962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7229838 is a wasteful number, since it uses less digits than its factorization.

7229838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15672.

The product of its digits is 48384, while the sum is 39.

The square root of 7229838 is about 2688.8358075569. The cubic root of 7229838 is about 193.3642525526.

The spelling of 7229838 in words is "seven million, two hundred twenty-nine thousand, eight hundred thirty-eight".