142133222 has 24 divisors (see below), whose sum is σ = 270556200. Its totient is φ = 55376160.

The previous prime is 142133219. The next prime is 142133231. The reversal of 142133222 is 222331241.

It is a super-2 number, since 2×142133222² = 40403705592202568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142133194 and 142133203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64847 + ... + 67002.

It is an arithmetic number, because the mean of its divisors is an integer number (11273175).

Almost surely, 2^142133222 is an apocalyptic number.

142133222 is a deficient number, since it is larger than the sum of its proper divisors (128422978).

142133222 is a wasteful number, since it uses less digits than its factorization.

142133222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131876 (or 131869 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 142133222 is about 11921.9638482928. The cubic root of 142133222 is about 521.8734469075.

Adding to 142133222 its reverse (222331241), we get a palindrome (364464463).

It can be divided in two parts, 1421 and 33222, that added together give a palindrome (34643).

The spelling of 142133222 in words is "one hundred forty-two million, one hundred thirty-three thousand, two hundred twenty-two".