142341222 has 32 divisors (see below), whose sum is σ = 296110080. Its totient is φ = 45560480.

The previous prime is 142341209. The next prime is 142341229. The reversal of 142341222 is 222143241.

It is a super-2 number, since 2×142341222² = 40522046960906568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142341229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31093 + ... + 35375.

It is an arithmetic number, because the mean of its divisors is an integer number (9253440).

Almost surely, 2^142341222 is an apocalyptic number.

142341222 is an abundant number, since it is smaller than the sum of its proper divisors (153768858).

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

142341222 is a wasteful number, since it uses less digits than its factorization.

142341222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508.

The product of its digits is 768, while the sum is 21.

The square root of 142341222 is about 11930.6840541521. The cubic root of 142341222 is about 522.1278954391.

Adding to 142341222 its reverse (222143241), we get a palindrome (364484463).

The spelling of 142341222 in words is "one hundred forty-two million, three hundred forty-one thousand, two hundred twenty-two".