142227422 has 8 divisors (see below), whose sum is σ = 213672816. Its totient is φ = 71003152.

The previous prime is 142227419. The next prime is 142227467. The reversal of 142227422 is 224722241.

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 = 142227391 and 142227400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53663 + ... + 56250.

It is an arithmetic number, because the mean of its divisors is an integer number (26709102).

Almost surely, 2^142227422 is an apocalyptic number.

142227422 is a deficient number, since it is larger than the sum of its proper divisors (71445394).

142227422 is a wasteful number, since it uses less digits than its factorization.

142227422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110562.

The product of its digits is 3584, while the sum is 26.

The square root of 142227422 is about 11925.9138853171. The cubic root of 142227422 is about 521.9887134664.

Adding to 142227422 its reverse (224722241), we get a palindrome (366949663).

The spelling of 142227422 in words is "one hundred forty-two million, two hundred twenty-seven thousand, four hundred twenty-two".