222573985 has 8 divisors (see below), whose sum is σ = 276298920. Its totient is φ = 171919104.

The previous prime is 222573973. The next prime is 222573997. The reversal of 222573985 is 589375222.

It is an interprime number because it is at equal distance from previous prime (222573973) and next prime (222573997).

It can be written as a sum of positive squares in 4 ways, for example, as 54508689 + 168065296 = 7383^2 + 12964^2 .

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 222573985 - 2⁹ = 222573473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767352 + ... + 767641.

It is an arithmetic number, because the mean of its divisors is an integer number (34537365).

Almost surely, 2^222573985 is an apocalyptic number.

It is an amenable number.

222573985 is a deficient number, since it is larger than the sum of its proper divisors (53724935).

222573985 is a wasteful number, since it uses less digits than its factorization.

222573985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535027.

The product of its digits is 302400, while the sum is 43.

The square root of 222573985 is about 14918.9136668861. The cubic root of 222573985 is about 606.0262934853.

The spelling of 222573985 in words is "two hundred twenty-two million, five hundred seventy-three thousand, nine hundred eighty-five".