222958169 has 16 divisors (see below), whose sum is σ = 266219520. Its totient is φ = 182699280.

The previous prime is 222958157. The next prime is 222958181. The reversal of 222958169 is 961859222.

It is an interprime number because it is at equal distance from previous prime (222958157) and next prime (222958181).

It is a cyclic number.

It is not a de Polignac number, because 222958169 - 2¹² = 222954073 is a prime.

It is a super-2 number, since 2×222958169² = 99420690247665122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (222958129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11822 + ... + 24200.

It is an arithmetic number, because the mean of its divisors is an integer number (16638720).

Almost surely, 2^222958169 is an apocalyptic number.

It is an amenable number.

222958169 is a deficient number, since it is larger than the sum of its proper divisors (43261351).

222958169 is a wasteful number, since it uses less digits than its factorization.

222958169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12500.

The product of its digits is 155520, while the sum is 44.

The square root of 222958169 is about 14931.7838519046. The cubic root of 222958169 is about 606.3747795166.

The spelling of 222958169 in words is "two hundred twenty-two million, nine hundred fifty-eight thousand, one hundred sixty-nine".