7224039 has 8 divisors (see below), whose sum is σ = 10702320. Its totient is φ = 4816008.

The previous prime is 7224029. The next prime is 7224073. The reversal of 7224039 is 9304227.

It is not a de Polignac number, because 7224039 - 2⁷ = 7223911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 267557 = 7224039 / (7 + 2 + 2 + 4 + 0 + 3 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7224029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133752 + ... + 133805.

It is an arithmetic number, because the mean of its divisors is an integer number (1337790).

Almost surely, 2^7224039 is an apocalyptic number.

7224039 is a deficient number, since it is larger than the sum of its proper divisors (3478281).

7224039 is a wasteful number, since it uses less digits than its factorization.

7224039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267566 (or 267560 counting only the distinct ones).

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

The square root of 7224039 is about 2687.7572435025. The cubic root of 7224039 is about 193.3125400414.

It can be divided in two parts, 722 and 4039, that added together give a square (4761 = 69²).

The spelling of 7224039 in words is "seven million, two hundred twenty-four thousand, thirty-nine".