202422394 has 16 divisors (see below), whose sum is σ = 305648640. Its totient is φ = 100542400.

The previous prime is 202422391. The next prime is 202422397. The reversal of 202422394 is 493224202.

It is an interprime number because it is at equal distance from previous prime (202422391) and next prime (202422397).

It is not an unprimeable number, because it can be changed into a prime (202422391) 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, 306837 + ... + 307495.

It is an arithmetic number, because the mean of its divisors is an integer number (19103040).

Almost surely, 2^202422394 is an apocalyptic number.

202422394 is a deficient number, since it is larger than the sum of its proper divisors (103226246).

202422394 is a wasteful number, since it uses less digits than its factorization.

202422394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 202422394 is about 14227.5224125636. The cubic root of 202422394 is about 587.1551199931.

Adding to 202422394 its reverse (493224202), we get a palindrome (695646596).

The spelling of 202422394 in words is "two hundred two million, four hundred twenty-two thousand, three hundred ninety-four".