202419422 has 4 divisors (see below), whose sum is σ = 303629136. Its totient is φ = 101209710.

The previous prime is 202419421. The next prime is 202419439. The reversal of 202419422 is 224914202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 202419391 and 202419400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202419421) 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 as a sum of consecutive naturals, namely, 50604854 + ... + 50604857.

It is an arithmetic number, because the mean of its divisors is an integer number (75907284).

Almost surely, 2^202419422 is an apocalyptic number.

202419422 is a deficient number, since it is larger than the sum of its proper divisors (101209714).

202419422 is a wasteful number, since it uses less digits than its factorization.

202419422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101209713.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 202419422 is about 14227.4179667289. The cubic root of 202419422 is about 587.1522464086.

The spelling of 202419422 in words is "two hundred two million, four hundred nineteen thousand, four hundred twenty-two".