7224055 has 4 divisors (see below), whose sum is σ = 8668872. Its totient is φ = 5779240.

The previous prime is 7224029. The next prime is 7224073. The reversal of 7224055 is 5504227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5504227 = 131 ⋅42017.

It is not a de Polignac number, because 7224055 - 2⁹ = 7223543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722401 + ... + 722410.

It is an arithmetic number, because the mean of its divisors is an integer number (2167218).

Almost surely, 2^7224055 is an apocalyptic number.

7224055 is a deficient number, since it is larger than the sum of its proper divisors (1444817).

7224055 is a wasteful number, since it uses less digits than its factorization.

7224055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444816.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 7224055 is about 2687.7602199601. The cubic root of 7224055 is about 193.3126827593.

The spelling of 7224055 in words is "seven million, two hundred twenty-four thousand, fifty-five".