142502222 has 16 divisors (see below), whose sum is σ = 217685472. Its totient is φ = 69945120.

The previous prime is 142502221. The next prime is 142502237. The reversal of 142502222 is 222205241.

It is a junction number, because it is equal to n+sod(n) for n = 142502194 and 142502203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142502221) 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, 91583 + ... + 93125.

It is an arithmetic number, because the mean of its divisors is an integer number (13605342).

Almost surely, 2^142502222 is an apocalyptic number.

142502222 is a deficient number, since it is larger than the sum of its proper divisors (75183250).

142502222 is a wasteful number, since it uses less digits than its factorization.

142502222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 142502222 is about 11937.4294552889. The cubic root of 142502222 is about 522.3246782495.

Adding to 142502222 its reverse (222205241), we get a palindrome (364707463).

The spelling of 142502222 in words is "one hundred forty-two million, five hundred two thousand, two hundred twenty-two".