222243123102 has 128 divisors (see below), whose sum is σ = 596996628480. Its totient is φ = 53266861440.

The previous prime is 222243123073. The next prime is 222243123187. The reversal of 222243123102 is 201321342222.

It is a super-2 number, since 2×222243123102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27641599 + ... + 27649637.

It is an arithmetic number, because the mean of its divisors is an integer number (4664036160).

Almost surely, 2^222243123102 is an apocalyptic number.

222243123102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 222243123102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298498314240).

222243123102 is an abundant number, since it is smaller than the sum of its proper divisors (374753505378).

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

222243123102 is a wasteful number, since it uses less digits than its factorization.

222243123102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12678.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 222243123102 its reverse (201321342222), we get a palindrome (423564465324).

The spelling of 222243123102 in words is "two hundred twenty-two billion, two hundred forty-three million, one hundred twenty-three thousand, one hundred two".