142222213 has 8 divisors (see below), whose sum is σ = 162732032. Its totient is φ = 121760496.

The previous prime is 142222211. The next prime is 142222231. The reversal of 142222213 is 312222241.

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

It is a cyclic number.

It is not a de Polignac number, because 142222213 - 2¹ = 142222211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142222211) 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, 5445 + ... + 17722.

It is an arithmetic number, because the mean of its divisors is an integer number (20341504).

Almost surely, 2^142222213 is an apocalyptic number.

It is an amenable number.

142222213 is a deficient number, since it is larger than the sum of its proper divisors (20509819).

142222213 is an equidigital number, since it uses as much as digits as its factorization.

142222213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24051.

The product of its digits is 384, while the sum is 19.

The square root of 142222213 is about 11925.6954933455. The cubic root of 142222213 is about 521.9823408734.

Adding to 142222213 its reverse (312222241), we get a palindrome (454444454).

The spelling of 142222213 in words is "one hundred forty-two million, two hundred twenty-two thousand, two hundred thirteen".