7224045 has 16 divisors (see below), whose sum is σ = 11957760. Its totient is φ = 3719744.

The previous prime is 7224029. The next prime is 7224073. The reversal of 7224045 is 5404227.

It is a cyclic number.

It is not a de Polignac number, because 7224045 - 2⁴ = 7224029 is a prime.

It is an Ulam number.

7224045 is a lucky number.

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, 7869 + ... + 8738.

It is an arithmetic number, because the mean of its divisors is an integer number (747360).

Almost surely, 2^7224045 is an apocalyptic number.

It is an amenable number.

7224045 is a deficient number, since it is larger than the sum of its proper divisors (4733715).

7224045 is a wasteful number, since it uses less digits than its factorization.

7224045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16644.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 7224045 is about 2687.7583596745. The cubic root of 7224045 is about 193.3125935607.

The spelling of 7224045 in words is "seven million, two hundred twenty-four thousand, forty-five".