222265426 has 8 divisors (see below), whose sum is σ = 333954684. Its totient is φ = 110947200.

The previous prime is 222265423. The next prime is 222265427. The reversal of 222265426 is 624562222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 222039801 + 225625 = 14901^2 + 475^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×222265426² = 98803839189922952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222265423) 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, 91255 + ... + 93658.

Almost surely, 2^222265426 is an apocalyptic number.

222265426 is a deficient number, since it is larger than the sum of its proper divisors (111689258).

222265426 is a wasteful number, since it uses less digits than its factorization.

222265426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185516.

The product of its digits is 23040, while the sum is 31.

The square root of 222265426 is about 14908.5688783330. The cubic root of 222265426 is about 605.7461149710.

The spelling of 222265426 in words is "two hundred twenty-two million, two hundred sixty-five thousand, four hundred twenty-six".