142222101 has 8 divisors (see below), whose sum is σ = 216719424. Its totient is φ = 81269760.

The previous prime is 142222099. The next prime is 142222103. The reversal of 142222101 is 101222241.

It is an interprime number because it is at equal distance from previous prime (142222099) and next prime (142222103).

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

It is not a de Polignac number, because 142222101 - 2¹ = 142222099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142222103) 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, 3386220 + ... + 3386261.

It is an arithmetic number, because the mean of its divisors is an integer number (27089928).

Almost surely, 2^142222101 is an apocalyptic number.

It is an amenable number.

142222101 is a deficient number, since it is larger than the sum of its proper divisors (74497323).

142222101 is an equidigital number, since it uses as much as digits as its factorization.

142222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6772491.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 142222101 is about 11925.6907976016. The cubic root of 142222101 is about 521.9822038530.

Adding to 142222101 its reverse (101222241), we get a palindrome (243444342).

The spelling of 142222101 in words is "one hundred forty-two million, two hundred twenty-two thousand, one hundred one".