142044222 has 32 divisors (see below), whose sum is σ = 293420160. Its totient is φ = 45813600.

The previous prime is 142044169. The next prime is 142044223. The reversal of 142044222 is 222440241.

It is a super-2 number, since 2×142044222² = 40353122007170568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142044223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25597 + ... + 30647.

It is an arithmetic number, because the mean of its divisors is an integer number (9169380).

Almost surely, 2^142044222 is an apocalyptic number.

142044222 is an abundant number, since it is smaller than the sum of its proper divisors (151375938).

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

142044222 is a wasteful number, since it uses less digits than its factorization.

142044222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5208.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 142044222 is about 11918.2306572746. The cubic root of 142044222 is about 521.7644964594.

Adding to 142044222 its reverse (222440241), we get a palindrome (364484463).

The spelling of 142044222 in words is "one hundred forty-two million, forty-four thousand, two hundred twenty-two".