222212859 has 16 divisors (see below), whose sum is σ = 327313920. Its totient is φ = 132968160.

The previous prime is 222212857. The next prime is 222212869. The reversal of 222212859 is 958212222.

It is not a de Polignac number, because 222212859 - 2¹ = 222212857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (222212857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40012 + ... + 45225.

It is an arithmetic number, because the mean of its divisors is an integer number (20457120).

Almost surely, 2^222212859 is an apocalyptic number.

222212859 is a deficient number, since it is larger than the sum of its proper divisors (105101061).

222212859 is a wasteful number, since it uses less digits than its factorization.

222212859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85330.

The product of its digits is 11520, while the sum is 33.

The square root of 222212859 is about 14906.8057946698. The cubic root of 222212859 is about 605.6983571059.

The spelling of 222212859 in words is "two hundred twenty-two million, two hundred twelve thousand, eight hundred fifty-nine".