7222559 has 2 divisors, whose sum is σ = 7222560. Its totient is φ = 7222558.

The previous prime is 7222549. The next prime is 7222561. The reversal of 7222559 is 9552227.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9552227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7222559 - 2¹⁶ = 7157023 is a prime.

Together with 7222561, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₄₉₀₇₄₈ and since 7222559 and 490748 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7222549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3611279 + 3611280.

It is an arithmetic number, because the mean of its divisors is an integer number (3611280).

Almost surely, 2^7222559 is an apocalyptic number.

7222559 is a deficient number, since it is larger than the sum of its proper divisors (1).

7222559 is an equidigital number, since it uses as much as digits as its factorization.

7222559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 32.

The square root of 7222559 is about 2687.4819069158. The cubic root of 7222559 is about 193.2993377272.

The spelling of 7222559 in words is "seven million, two hundred twenty-two thousand, five hundred fifty-nine".