142222112 has 24 divisors (see below), whose sum is σ = 286831692. Its totient is φ = 69376000.

The previous prime is 142222103. The next prime is 142222121. The reversal of 142222112 is 211222241.

It is an interprime number because it is at equal distance from previous prime (142222103) and next prime (142222121).

It can be written as a sum of positive squares in 2 ways, for example, as 131698576 + 10523536 = 11476^2 + 3244^2 .

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

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, 52889 + ... + 55512.

Almost surely, 2^142222112 is an apocalyptic number.

It is an amenable number.

142222112 is an abundant number, since it is smaller than the sum of its proper divisors (144609580).

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

142222112 is a wasteful number, since it uses less digits than its factorization.

142222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108452 (or 108444 counting only the distinct ones).

The product of its digits is 128, while the sum is 17.

The square root of 142222112 is about 11925.6912587908. The cubic root of 142222112 is about 521.9822173104.

Adding to 142222112 its reverse (211222241), we get a palindrome (353444353).

The spelling of 142222112 in words is "one hundred forty-two million, two hundred twenty-two thousand, one hundred twelve".