222274609 has 8 divisors (see below), whose sum is σ = 240357888. Its totient is φ = 204747840.

The previous prime is 222274607. The next prime is 222274621. The reversal of 222274609 is 906472222.

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

It is a cyclic number.

It is not a de Polignac number, because 222274609 - 2¹ = 222274607 is a prime.

It is a super-2 number, since 2×222274609² = 98812003612205762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222274603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138297 + ... + 139894.

It is an arithmetic number, because the mean of its divisors is an integer number (30044736).

Almost surely, 2^222274609 is an apocalyptic number.

It is an amenable number.

222274609 is a deficient number, since it is larger than the sum of its proper divisors (18083279).

222274609 is a wasteful number, since it uses less digits than its factorization.

222274609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278255.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 222274609 is about 14908.8768523990. The cubic root of 222274609 is about 605.7544570841.

The spelling of 222274609 in words is "two hundred twenty-two million, two hundred seventy-four thousand, six hundred nine".