422400422 has 4 divisors (see below), whose sum is σ = 633600636. Its totient is φ = 211200210.

The previous prime is 422400413. The next prime is 422400431. The reversal of 422400422 is 224004224.

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

It is an interprime number because it is at equal distance from previous prime (422400413) and next prime (422400431).

It is a junction number, because it is equal to n+sod(n) for n = 422400394 and 422400403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105600104 + ... + 105600107.

It is an arithmetic number, because the mean of its divisors is an integer number (158400159).

Almost surely, 2^422400422 is an apocalyptic number.

422400422 is a deficient number, since it is larger than the sum of its proper divisors (211200214).

422400422 is a wasteful number, since it uses less digits than its factorization.

422400422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211200213.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 422400422 is about 20552.3823923165. The cubic root of 422400422 is about 750.3112320135.

Adding to 422400422 its reverse (224004224), we get a palindrome (646404646).

The spelling of 422400422 in words is "four hundred twenty-two million, four hundred thousand, four hundred twenty-two".