422404734 has 8 divisors (see below), whose sum is σ = 844809480. Its totient is φ = 140801576.

The previous prime is 422404721. The next prime is 422404793. The reversal of 422404734 is 437404224.

It is a happy number.

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

422404734 is an admirable number.

It is a super-2 number, since 2×422404734² = 356851518611221512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35200389 + ... + 35200400.

It is an arithmetic number, because the mean of its divisors is an integer number (105601185).

Almost surely, 2^422404734 is an apocalyptic number.

422404734 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

422404734 is a wasteful number, since it uses less digits than its factorization.

422404734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70400794.

The product of its (nonzero) digits is 21504, while the sum is 30.

The square root of 422404734 is about 20552.4872947291. The cubic root of 422404734 is about 750.3137851446.

Adding to 422404734 its reverse (437404224), we get a palindrome (859808958).

The spelling of 422404734 in words is "four hundred twenty-two million, four hundred four thousand, seven hundred thirty-four".