7275222 has 24 divisors (see below), whose sum is σ = 16449264. Its totient is φ = 2319504.

The previous prime is 7275221. The next prime is 7275227. The reversal of 7275222 is 2225727.

It is a happy number.

7275222 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7275221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8373 + ... + 9200.

It is an arithmetic number, because the mean of its divisors is an integer number (685386).

Almost surely, 2^7275222 is an apocalyptic number.

7275222 is an abundant number, since it is smaller than the sum of its proper divisors (9174042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7275222 is a wasteful number, since it uses less digits than its factorization.

7275222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17604 (or 17601 counting only the distinct ones).

The product of its digits is 3920, while the sum is 27.

The square root of 7275222 is about 2697.2619450102. The cubic root of 7275222 is about 193.7680119224.

The spelling of 7275222 in words is "seven million, two hundred seventy-five thousand, two hundred twenty-two".