7222055 has 4 divisors (see below), whose sum is σ = 8666472. Its totient is φ = 5777640.

The previous prime is 7222043. The next prime is 7222063. The reversal of 7222055 is 5502227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5502227 = 313 ⋅17579.

It is a de Polignac number, because none of the positive numbers 2^k-7222055 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7222055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722201 + ... + 722210.

It is an arithmetic number, because the mean of its divisors is an integer number (2166618).

Almost surely, 2^7222055 is an apocalyptic number.

7222055 is a deficient number, since it is larger than the sum of its proper divisors (1444417).

7222055 is a wasteful number, since it uses less digits than its factorization.

7222055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444416.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 7222055 is about 2687.3881372068. The cubic root of 7222055 is about 193.2948413923.

The spelling of 7222055 in words is "seven million, two hundred twenty-two thousand, fifty-five".