7228922 has 4 divisors (see below), whose sum is σ = 10843386. Its totient is φ = 3614460.

The previous prime is 7228913. The next prime is 7228933. The reversal of 7228922 is 2298227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2298227 = 59 ⋅38953.

It can be written as a sum of positive squares in only one way, i.e., 4239481 + 2989441 = 2059^2 + 1729^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1807229 + ... + 1807232.

Almost surely, 2^7228922 is an apocalyptic number.

7228922 is a deficient number, since it is larger than the sum of its proper divisors (3614464).

7228922 is a wasteful number, since it uses less digits than its factorization.

7228922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614463.

The product of its digits is 8064, while the sum is 32.

The square root of 7228922 is about 2688.6654682202. The cubic root of 7228922 is about 193.3560859733.

The spelling of 7228922 in words is "seven million, two hundred twenty-eight thousand, nine hundred twenty-two".