422734247 has 32 divisors (see below), whose sum is σ = 488980800. Its totient is φ = 362621952.

The previous prime is 422734241. The next prime is 422734253. The reversal of 422734247 is 742437224.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (422734241) and next prime (422734253).

It is a cyclic number.

It is not a de Polignac number, because 422734247 - 2⁶ = 422734183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422734241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1442633 + ... + 1442925.

It is an arithmetic number, because the mean of its divisors is an integer number (15280650).

Almost surely, 2^422734247 is an apocalyptic number.

422734247 is a deficient number, since it is larger than the sum of its proper divisors (66246553).

422734247 is a wasteful number, since it uses less digits than its factorization.

422734247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467.

The product of its digits is 75264, while the sum is 35.

The square root of 422734247 is about 20560.5021096276. The cubic root of 422734247 is about 750.5088381077.

The spelling of 422734247 in words is "four hundred twenty-two million, seven hundred thirty-four thousand, two hundred forty-seven".