142022222 has 16 divisors (see below), whose sum is σ = 227491200. Its totient is φ = 66349920.

The previous prime is 142022197. The next prime is 142022227. The reversal of 142022222 is 222220241.

142022222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

142022222 is a modest number, since divided by 22222 gives 1420 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 142022222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142022227) 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, 37697 + ... + 41292.

It is an arithmetic number, because the mean of its divisors is an integer number (14218200).

Almost surely, 2^142022222 is an apocalyptic number.

142022222 is a deficient number, since it is larger than the sum of its proper divisors (85468978).

142022222 is a wasteful number, since it uses less digits than its factorization.

142022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79051.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 142022222 is about 11917.3076657440. The cubic root of 142022222 is about 521.7375578731.

Adding to 142022222 its reverse (222220241), we get a palindrome (364242463).

The spelling of 142022222 in words is "one hundred forty-two million, twenty-two thousand, two hundred twenty-two".