7222953 has 4 divisors (see below), whose sum is σ = 9630608. Its totient is φ = 4815300.

The previous prime is 7222939. The next prime is 7222981. The reversal of 7222953 is 3592227.

It is a happy number.

7222953 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3592227 = 3 ⋅1197409.

It is not a de Polignac number, because 7222953 - 2⁴ = 7222937 is a prime.

It is a Duffinian number.

7222953 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7222953.

It is not an unprimeable number, because it can be changed into a prime (7222903) by changing a digit.

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, 1203823 + ... + 1203828.

It is an arithmetic number, because the mean of its divisors is an integer number (2407652).

Almost surely, 2^7222953 is an apocalyptic number.

It is an amenable number.

7222953 is a deficient number, since it is larger than the sum of its proper divisors (2407655).

7222953 is a wasteful number, since it uses less digits than its factorization.

7222953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407654.

The product of its digits is 7560, while the sum is 30.

The square root of 7222953 is about 2687.5552087353. Note that the first 3 decimals coincide. The cubic root of 7222953 is about 193.3028525735.

The spelling of 7222953 in words is "seven million, two hundred twenty-two thousand, nine hundred fifty-three".