422255242 has 8 divisors (see below), whose sum is σ = 634417956. Its totient is φ = 210782592.

The previous prime is 422255233. The next prime is 422255257. The reversal of 422255242 is 242552224.

It can be written as a sum of positive squares in 2 ways, for example, as 360962001 + 61293241 = 18999^2 + 7829^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 422255242.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 170983 + ... + 173434.

Almost surely, 2^422255242 is an apocalyptic number.

422255242 is a deficient number, since it is larger than the sum of its proper divisors (212162714).

422255242 is a wasteful number, since it uses less digits than its factorization.

422255242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345032.

The product of its digits is 12800, while the sum is 28.

The square root of 422255242 is about 20548.8501381464. The cubic root of 422255242 is about 750.2252609292.

The spelling of 422255242 in words is "four hundred twenty-two million, two hundred fifty-five thousand, two hundred forty-two".