142222010 has 24 divisors (see below), whose sum is σ = 297796500. Its totient is φ = 48761664.

The previous prime is 142222009. The next prime is 142222021. The reversal of 142222010 is 10222241.

It can be written as a sum of positive squares in 2 ways, for example, as 138462289 + 3759721 = 11767^2 + 1939^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

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 11 ways as a sum of consecutive naturals, for example, 144635 + ... + 145614.

Almost surely, 2^142222010 is an apocalyptic number.

142222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142222010 is an abundant number, since it is smaller than the sum of its proper divisors (155574490).

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

142222010 is a wasteful number, since it uses less digits than its factorization.

142222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290270 (or 290263 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 142222010 is about 11925.6869823084. The cubic root of 142222010 is about 521.9820925239.

Adding to 142222010 its reverse (10222241), we get a palindrome (152444251).

It can be divided in two parts, 1422 and 22010, that added together give a palindrome (23432).

The spelling of 142222010 in words is "one hundred forty-two million, two hundred twenty-two thousand, ten".