7224087 has 8 divisors (see below), whose sum is σ = 10373104. Its totient is φ = 4445568.

The previous prime is 7224073. The next prime is 7224089. The reversal of 7224087 is 7804227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7224087 - 2⁷ = 7223959 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7224089) 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, 92578 + ... + 92655.

It is an arithmetic number, because the mean of its divisors is an integer number (1296638).

Almost surely, 2^7224087 is an apocalyptic number.

7224087 is a deficient number, since it is larger than the sum of its proper divisors (3149017).

7224087 is a wasteful number, since it uses less digits than its factorization.

7224087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185249.

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 7224087 is about 2687.7661728655. The cubic root of 7224087 is about 193.3129681944.

It can be divided in two parts, 72240 and 87, that added together give a palindrome (72327).

The spelling of 7224087 in words is "seven million, two hundred twenty-four thousand, eighty-seven".