142222110 has 128 divisors (see below), whose sum is σ = 377118720. Its totient is φ = 34214400.

The previous prime is 142222103. The next prime is 142222121. The reversal of 142222110 is 11222241.

142222110 is digitally balanced in base 3, 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 (15).

It is a self number, because there is not a number n which added to its sum of digits gives 142222110.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1304736 + ... + 1304844.

It is an arithmetic number, because the mean of its divisors is an integer number (2946240).

Almost surely, 2^142222110 is an apocalyptic number.

142222110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142222110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188559360).

142222110 is an abundant number, since it is smaller than the sum of its proper divisors (234896610).

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

142222110 is a wasteful number, since it uses less digits than its factorization.

142222110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 142222110 is about 11925.6911749382. The cubic root of 142222110 is about 521.9822148636.

Adding to 142222110 its reverse (11222241), we get a palindrome (153444351).

It can be divided in two parts, 1422 and 22110, that added together give a palindrome (23532).

The spelling of 142222110 in words is "one hundred forty-two million, two hundred twenty-two thousand, one hundred ten".