142322211 has 16 divisors (see below), whose sum is σ = 214306720. Its totient is φ = 93324960.

The previous prime is 142322203. The next prime is 142322237. The reversal of 142322211 is 112223241.

It is a happy number.

142322211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142322211 - 2³ = 142322203 is a prime.

It is a super-2 number, since 2×142322211² = 40511223487857042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142322261) 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, 41560 + ... + 44853.

It is an arithmetic number, because the mean of its divisors is an integer number (13394170).

Almost surely, 2^142322211 is an apocalyptic number.

142322211 is a deficient number, since it is larger than the sum of its proper divisors (71984509).

142322211 is an equidigital number, since it uses as much as digits as its factorization.

142322211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86483 (or 86477 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 142322211 is about 11929.8873003897. The cubic root of 142322211 is about 522.1046493847.

Adding to 142322211 its reverse (112223241), we get a palindrome (254545452).

The spelling of 142322211 in words is "one hundred forty-two million, three hundred twenty-two thousand, two hundred eleven".