7222239 has 6 divisors (see below), whose sum is σ = 10432136. Its totient is φ = 4814820.

The previous prime is 7222219. The next prime is 7222279. The reversal of 7222239 is 9322227.

It is not a de Polignac number, because 7222239 - 2⁸ = 7221983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7222219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 401227 + ... + 401244.

Almost surely, 2^7222239 is an apocalyptic number.

7222239 is a deficient number, since it is larger than the sum of its proper divisors (3209897).

7222239 is a wasteful number, since it uses less digits than its factorization.

7222239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802477 (or 802474 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 7222239 is about 2687.4223709719. The cubic root of 7222239 is about 193.2964829356.

The spelling of 7222239 in words is "seven million, two hundred twenty-two thousand, two hundred thirty-nine".