222345102 has 16 divisors (see below), whose sum is σ = 508217472. Its totient is φ = 63527160.

The previous prime is 222345089. The next prime is 222345103. The reversal of 222345102 is 201543222.

222345102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222345103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2646924 + ... + 2647007.

It is an arithmetic number, because the mean of its divisors is an integer number (31763592).

Almost surely, 2^222345102 is an apocalyptic number.

222345102 is an abundant number, since it is smaller than the sum of its proper divisors (285872370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222345102 is a wasteful number, since it uses less digits than its factorization.

222345102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5293943.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 222345102 is about 14911.2407934417. The cubic root of 222345102 is about 605.8184873929.

Adding to 222345102 its reverse (201543222), we get a palindrome (423888324).

The spelling of 222345102 in words is "two hundred twenty-two million, three hundred forty-five thousand, one hundred two".