222379985 has 16 divisors (see below), whose sum is σ = 279483264. Its totient is φ = 169542912.

The previous prime is 222379979. The next prime is 222379999. The reversal of 222379985 is 589973222.

It is a cyclic number.

It is not a de Polignac number, because 222379985 - 2¹⁴ = 222363601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29129 + ... + 35961.

It is an arithmetic number, because the mean of its divisors is an integer number (17467704).

Almost surely, 2^222379985 is an apocalyptic number.

It is an amenable number.

222379985 is a deficient number, since it is larger than the sum of its proper divisors (57103279).

222379985 is a wasteful number, since it uses less digits than its factorization.

222379985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7144.

The product of its digits is 544320, while the sum is 47.

The square root of 222379985 is about 14912.4104356070. The cubic root of 222379985 is about 605.8501673670.

The spelling of 222379985 in words is "two hundred twenty-two million, three hundred seventy-nine thousand, nine hundred eighty-five".