7222961 has 4 divisors (see below), whose sum is σ = 7231332. Its totient is φ = 7214592.

The previous prime is 7222939. The next prime is 7222981. The reversal of 7222961 is 1692227.

7222961 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 an emirpimes, since its reverse is a distinct semiprime: 1692227 = 1069 ⋅1583.

It can be written as a sum of positive squares in 2 ways, for example, as 4177936 + 3045025 = 2044^2 + 1745^2 .

It is a cyclic number.

It is not a de Polignac number, because 7222961 - 2¹⁰ = 7221937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7222931) 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, 2720 + ... + 4673.

It is an arithmetic number, because the mean of its divisors is an integer number (1807833).

Almost surely, 2^7222961 is an apocalyptic number.

It is an amenable number.

7222961 is a deficient number, since it is larger than the sum of its proper divisors (8371).

7222961 is an equidigital number, since it uses as much as digits as its factorization.

7222961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8370.

The product of its digits is 3024, while the sum is 29.

The square root of 7222961 is about 2687.5566970764. The cubic root of 7222961 is about 193.3029239396.

The spelling of 7222961 in words is "seven million, two hundred twenty-two thousand, nine hundred sixty-one".