142264222 has 8 divisors (see below), whose sum is σ = 217013400. Its totient is φ = 69926424.

The previous prime is 142264217. The next prime is 142264237. The reversal of 142264222 is 222462241.

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

It is a super-2 number, since 2×142264222² = 40478217722530568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602697 + ... + 602932.

It is an arithmetic number, because the mean of its divisors is an integer number (27126675).

Almost surely, 2^142264222 is an apocalyptic number.

142264222 is a deficient number, since it is larger than the sum of its proper divisors (74749178).

142264222 is a wasteful number, since it uses less digits than its factorization.

142264222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205690.

The product of its digits is 3072, while the sum is 25.

The square root of 142264222 is about 11927.4566442306. The cubic root of 142264222 is about 522.0337294647.

The spelling of 142264222 in words is "one hundred forty-two million, two hundred sixty-four thousand, two hundred twenty-two".