142222342 has 12 divisors (see below), whose sum is σ = 215497548. Its totient is φ = 70397000.

The previous prime is 142222321. The next prime is 142222343. The reversal of 142222342 is 243222241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142222343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16917 + ... + 23887.

It is an arithmetic number, because the mean of its divisors is an integer number (17958129).

Almost surely, 2^142222342 is an apocalyptic number.

142222342 is a deficient number, since it is larger than the sum of its proper divisors (73275206).

142222342 is an equidigital number, since it uses as much as digits as its factorization.

142222342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7175 (or 7074 counting only the distinct ones).

The product of its digits is 1536, while the sum is 22.

The square root of 142222342 is about 11925.7009018338. The cubic root of 142222342 is about 521.9824986915.

Adding to 142222342 its reverse (243222241), we get a palindrome (385444583).

The spelling of 142222342 in words is "one hundred forty-two million, two hundred twenty-two thousand, three hundred forty-two".