222250959 has 56 divisors (see below), whose sum is σ = 385610400. Its totient is φ = 125411328.

The previous prime is 222250957. The next prime is 222250981. The reversal of 222250959 is 959052222.

It is not a de Polignac number, because 222250959 - 2¹ = 222250957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222250957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 494767 + ... + 495215.

It is an arithmetic number, because the mean of its divisors is an integer number (6885900).

Almost surely, 2^222250959 is an apocalyptic number.

222250959 is the 9429-th heptagonal number.

222250959 is a deficient number, since it is larger than the sum of its proper divisors (163359441).

222250959 is an frugal number, since it uses more digits than its factorization.

222250959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 222250959 is about 14908.0836796686. The cubic root of 222250959 is about 605.7329722474.

The spelling of 222250959 in words is "two hundred twenty-two million, two hundred fifty thousand, nine hundred fifty-nine".