142225212 has 24 divisors (see below), whose sum is σ = 336534912. Its totient is φ = 46740400.

The previous prime is 142225207. The next prime is 142225219. The reversal of 142225212 is 212522241.

142225212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142225219) 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, 82614 + ... + 84317.

It is an arithmetic number, because the mean of its divisors is an integer number (14022288).

Almost surely, 2^142225212 is an apocalyptic number.

142225212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142225212 is an abundant number, since it is smaller than the sum of its proper divisors (194309700).

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

142225212 is a wasteful number, since it uses less digits than its factorization.

142225212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167009 (or 167007 counting only the distinct ones).

The product of its digits is 640, while the sum is 21.

The square root of 142225212 is about 11925.8212295841. The cubic root of 142225212 is about 521.9860098128.

Adding to 142225212 its reverse (212522241), we get a palindrome (354747453).

The spelling of 142225212 in words is "one hundred forty-two million, two hundred twenty-five thousand, two hundred twelve".