7224015 has 16 divisors (see below), whose sum is σ = 11596896. Its totient is φ = 3840000.

The previous prime is 7223999. The next prime is 7224029. The reversal of 7224015 is 5104227.

It is not a de Polignac number, because 7224015 - 2⁴ = 7223999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7223982 and 7224000.

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, 5415 + ... + 6615.

It is an arithmetic number, because the mean of its divisors is an integer number (724806).

Almost surely, 2^7224015 is an apocalyptic number.

7224015 is a deficient number, since it is larger than the sum of its proper divisors (4372881).

7224015 is a wasteful number, since it uses less digits than its factorization.

7224015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 7224015 is about 2687.7527788098. The cubic root of 7224015 is about 193.3123259642.

The spelling of 7224015 in words is "seven million, two hundred twenty-four thousand, fifteen".