142222344 has 32 divisors (see below), whose sum is σ = 387879840. Its totient is φ = 43097600.

The previous prime is 142222343. The next prime is 142222349. The reversal of 142222344 is 443222241.

142222344 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

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 7 ways as a sum of consecutive naturals, for example, 269097 + ... + 269624.

It is an arithmetic number, because the mean of its divisors is an integer number (12121245).

Almost surely, 2^142222344 is an apocalyptic number.

It is an amenable number.

142222344 is an abundant number, since it is smaller than the sum of its proper divisors (245657496).

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

142222344 is a wasteful number, since it uses less digits than its factorization.

142222344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538741 (or 538737 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 142222344 is about 11925.7009856863. The cubic root of 142222344 is about 521.9825011383.

Adding to 142222344 its reverse (443222241), we get a palindrome (585444585).

The spelling of 142222344 in words is "one hundred forty-two million, two hundred twenty-two thousand, three hundred forty-four".