202342122 has 24 divisors (see below), whose sum is σ = 450258276. Its totient is φ = 65624256.

The previous prime is 202342121. The next prime is 202342141. The reversal of 202342122 is 221243202.

202342122 is a `hidden beast` number, since 202 + 342 + 122 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 184117761 + 18224361 = 13569^2 + 4269^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 202342095 and 202342104.

It is not an unprimeable number, because it can be changed into a prime (202342121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151243 + ... + 152574.

Almost surely, 2^202342122 is an apocalyptic number.

202342122 is an abundant number, since it is smaller than the sum of its proper divisors (247916154).

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

202342122 is a wasteful number, since it uses less digits than its factorization.

202342122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303862 (or 303859 counting only the distinct ones).

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

The square root of 202342122 is about 14224.7011216405. The cubic root of 202342122 is about 587.0774962572.

Adding to 202342122 its reverse (221243202), we get a palindrome (423585324).

The spelling of 202342122 in words is "two hundred two million, three hundred forty-two thousand, one hundred twenty-two".