142222304 has 36 divisors (see below), whose sum is σ = 325718064. Its totient is φ = 60951744.

The previous prime is 142222291. The next prime is 142222313. The reversal of 142222304 is 403222241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43784 + ... + 46919.

It is an arithmetic number, because the mean of its divisors is an integer number (9047724).

Almost surely, 2^142222304 is an apocalyptic number.

142222304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142222304 is an abundant number, since it is smaller than the sum of its proper divisors (183495760).

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

142222304 is an equidigital number, since it uses as much as digits as its factorization.

142222304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90727 (or 90712 counting only the distinct ones).

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

The square root of 142222304 is about 11925.6993086360. The cubic root of 142222304 is about 521.9824522024.

Adding to 142222304 its reverse (403222241), we get a palindrome (545444545).

The spelling of 142222304 in words is "one hundred forty-two million, two hundred twenty-two thousand, three hundred four".