7222299 has 32 divisors (see below), whose sum is σ = 12103680. Its totient is φ = 3735072.

The previous prime is 7222291. The next prime is 7222321. The reversal of 7222299 is 9922227.

7222299 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7222299 - 2³ = 7222291 is a prime.

7222299 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7222291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8784 + ... + 9570.

It is an arithmetic number, because the mean of its divisors is an integer number (378240).

Almost surely, 2^7222299 is an apocalyptic number.

7222299 is a deficient number, since it is larger than the sum of its proper divisors (4881381).

7222299 is a wasteful number, since it uses less digits than its factorization.

7222299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839.

The product of its digits is 9072, while the sum is 33.

The square root of 7222299 is about 2687.4335340618. The cubic root of 7222299 is about 193.2970182154.

The spelling of 7222299 in words is "seven million, two hundred twenty-two thousand, two hundred ninety-nine".