142022211 has 8 divisors (see below), whose sum is σ = 189418320. Its totient is φ = 94653792.

The previous prime is 142022197. The next prime is 142022227. The reversal of 142022211 is 112220241.

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

It is not a de Polignac number, because 142022211 - 2⁶ = 142022147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142022411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14685 + ... + 22353.

It is an arithmetic number, because the mean of its divisors is an integer number (23677290).

Almost surely, 2^142022211 is an apocalyptic number.

142022211 is a deficient number, since it is larger than the sum of its proper divisors (47396109).

142022211 is an equidigital number, since it uses as much as digits as its factorization.

142022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13845.

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

The square root of 142022211 is about 11917.3072042303. The cubic root of 142022211 is about 521.7375444031.

Adding to 142022211 its reverse (112220241), we get a palindrome (254242452).

The spelling of 142022211 in words is "one hundred forty-two million, twenty-two thousand, two hundred eleven".