422000345 has 16 divisors (see below), whose sum is σ = 546183120. Its totient is φ = 311157504.

The previous prime is 422000339. The next prime is 422000407. The reversal of 422000345 is 543000224.

It can be written as a sum of positive squares in 8 ways, for example, as 166384201 + 255616144 = 12899^2 + 15988^2 .

It is a cyclic number.

It is not a de Polignac number, because 422000345 - 2⁴ = 422000329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41507 + ... + 50663.

It is an arithmetic number, because the mean of its divisors is an integer number (34136445).

Almost surely, 2^422000345 is an apocalyptic number.

It is an amenable number.

422000345 is a deficient number, since it is larger than the sum of its proper divisors (124182775).

422000345 is a wasteful number, since it uses less digits than its factorization.

422000345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9884.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 422000345 is about 20542.6469813410. The cubic root of 422000345 is about 750.0742711633.

Adding to 422000345 its reverse (543000224), we get a palindrome (965000569).

The spelling of 422000345 in words is "four hundred twenty-two million, three hundred forty-five", and thus it is an aban number.