422345034 has 48 divisors (see below), whose sum is σ = 972859680. Its totient is φ = 132040800.

The previous prime is 422345017. The next prime is 422345039. The reversal of 422345034 is 430543224.

It is a super-2 number, since 2×422345034² = 356750655488922312, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 422344989 and 422345007.

It is not an unprimeable number, because it can be changed into a prime (422345039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28429 + ... + 40655.

It is an arithmetic number, because the mean of its divisors is an integer number (20267910).

Almost surely, 2^422345034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422345034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486429840).

422345034 is an abundant number, since it is smaller than the sum of its proper divisors (550514646).

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

422345034 is a wasteful number, since it uses less digits than its factorization.

422345034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12355 (or 12352 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 422345034 is about 20551.0348644539. The cubic root of 422345034 is about 750.2784352856.

Adding to 422345034 its reverse (430543224), we get a palindrome (852888258).

The spelling of 422345034 in words is "four hundred twenty-two million, three hundred forty-five thousand, thirty-four".