142223202 has 40 divisors (see below), whose sum is σ = 347661072. Its totient is φ = 43097400.

The previous prime is 142223201. The next prime is 142223261. The reversal of 142223202 is 202322241.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (142223201) 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 19 ways as a sum of consecutive naturals, for example, 38124 + ... + 41687.

Almost surely, 2^142223202 is an apocalyptic number.

142223202 is an abundant number, since it is smaller than the sum of its proper divisors (205437870).

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

142223202 is a wasteful number, since it uses less digits than its factorization.

142223202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79836 (or 79827 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 142223202 is about 11925.7369583603. The cubic root of 142223202 is about 521.9835508094.

Adding to 142223202 its reverse (202322241), we get a palindrome (344545443).

It can be divided in two parts, 14222 and 3202, that added together give a square (17424 = 132²).

The spelling of 142223202 in words is "one hundred forty-two million, two hundred twenty-three thousand, two hundred two".