222168699 has 12 divisors (see below), whose sum is σ = 339787656. Its totient is φ = 139399872.

The previous prime is 222168679. The next prime is 222168719. The reversal of 222168699 is 996861222.

It is an interprime number because it is at equal distance from previous prime (222168679) and next prime (222168719).

It is not a de Polignac number, because 222168699 - 2¹³ = 222160507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222168679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 725889 + ... + 726194.

It is an arithmetic number, because the mean of its divisors is an integer number (28315638).

Almost surely, 2^222168699 is an apocalyptic number.

222168699 is a deficient number, since it is larger than the sum of its proper divisors (117618957).

222168699 is a wasteful number, since it uses less digits than its factorization.

222168699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452106 (or 1452103 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 222168699 is about 14905.3245184397. The cubic root of 222168699 is about 605.6582312980.

It can be divided in two parts, 222 and 168699, that added together give a square (168921 = 411²).

The spelling of 222168699 in words is "two hundred twenty-two million, one hundred sixty-eight thousand, six hundred ninety-nine".