202322142 has 48 divisors (see below), whose sum is σ = 491158512. Its totient is φ = 59650560.

The previous prime is 202322137. The next prime is 202322143. The reversal of 202322142 is 241223202.

202322142 is a `hidden beast` number, since 202 + 322 + 142 = 666.

202322142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202322143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6483 + ... + 21134.

It is an arithmetic number, because the mean of its divisors is an integer number (10232469).

Almost surely, 2^202322142 is an apocalyptic number.

202322142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202322142 is an abundant number, since it is smaller than the sum of its proper divisors (288836370).

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

202322142 is a wasteful number, since it uses less digits than its factorization.

202322142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27673 (or 27670 counting only the distinct ones).

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

The square root of 202322142 is about 14223.9988048368. The cubic root of 202322142 is about 587.0581722292.

Adding to 202322142 its reverse (241223202), we get a palindrome (443545344).

The spelling of 202322142 in words is "two hundred two million, three hundred twenty-two thousand, one hundred forty-two".