222142863 has 4 divisors (see below), whose sum is σ = 296190488. Its totient is φ = 148095240.

The previous prime is 222142861. The next prime is 222142867. The reversal of 222142863 is 368241222.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 222142863 - 2¹ = 222142861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222142863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222142861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37023808 + ... + 37023813.

It is an arithmetic number, because the mean of its divisors is an integer number (74047622).

Almost surely, 2^222142863 is an apocalyptic number.

222142863 is a deficient number, since it is larger than the sum of its proper divisors (74047625).

222142863 is an equidigital number, since it uses as much as digits as its factorization.

222142863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74047624.

The product of its digits is 9216, while the sum is 30.

The square root of 222142863 is about 14904.4578230810. The cubic root of 222142863 is about 605.6347530542.

The spelling of 222142863 in words is "two hundred twenty-two million, one hundred forty-two thousand, eight hundred sixty-three".