222259361 has 4 divisors (see below), whose sum is σ = 224226372. Its totient is φ = 220292352.

The previous prime is 222259357. The next prime is 222259391. The reversal of 222259361 is 163952222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 115777600 + 106481761 = 10760^2 + 10319^2 .

It is a cyclic number.

It is not a de Polignac number, because 222259361 - 2² = 222259357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222259391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 983336 + ... + 983561.

It is an arithmetic number, because the mean of its divisors is an integer number (56056593).

Almost surely, 2^222259361 is an apocalyptic number.

It is an amenable number.

222259361 is a deficient number, since it is larger than the sum of its proper divisors (1967011).

222259361 is a wasteful number, since it uses less digits than its factorization.

222259361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967010.

The product of its digits is 12960, while the sum is 32.

The square root of 222259361 is about 14908.3654704330. The cubic root of 222259361 is about 605.7406052168.

The spelling of 222259361 in words is "two hundred twenty-two million, two hundred fifty-nine thousand, three hundred sixty-one".