202423422 has 16 divisors (see below), whose sum is σ = 418807440. Its totient is φ = 65147712.

The previous prime is 202423421. The next prime is 202423423. The reversal of 202423422 is 224324202.

202423422 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (202423421) and next prime (202423423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202423421) 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, 581503 + ... + 581850.

It is an arithmetic number, because the mean of its divisors is an integer number (26175465).

Almost surely, 2^202423422 is an apocalyptic number.

202423422 is an abundant number, since it is smaller than the sum of its proper divisors (216384018).

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

202423422 is a wasteful number, since it uses less digits than its factorization.

202423422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163387.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 202423422 is about 14227.5585396793. The cubic root of 202423422 is about 587.1561139451.

Adding to 202423422 its reverse (224324202), we get a palindrome (426747624).

The spelling of 202423422 in words is "two hundred two million, four hundred twenty-three thousand, four hundred twenty-two".