142232222 has 8 divisors (see below), whose sum is σ = 232743672. Its totient is φ = 64651000.

The previous prime is 142232221. The next prime is 142232317. The reversal of 142232222 is 222232241.

142232222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 142232194 and 142232203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142232221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3232529 + ... + 3232572.

It is an arithmetic number, because the mean of its divisors is an integer number (29092959).

Almost surely, 2^142232222 is an apocalyptic number.

142232222 is a deficient number, since it is larger than the sum of its proper divisors (90511450).

142232222 is a wasteful number, since it uses less digits than its factorization.

142232222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6465114.

The product of its digits is 768, while the sum is 20.

The square root of 142232222 is about 11926.1151260584. The cubic root of 142232222 is about 521.9945855587.

Adding to 142232222 its reverse (222232241), we get a palindrome (364464463).

The spelling of 142232222 in words is "one hundred forty-two million, two hundred thirty-two thousand, two hundred twenty-two".