422400030 has 32 divisors (see below), whose sum is σ = 1091742624. Its totient is φ = 103975296.

The previous prime is 422399981. The next prime is 422400047. The reversal of 422400030 is 30004224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 422399982 and 422400009.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541149 + ... + 541928.

It is an arithmetic number, because the mean of its divisors is an integer number (34116957).

Almost surely, 2^422400030 is an apocalyptic number.

422400030 is an abundant number, since it is smaller than the sum of its proper divisors (669342594).

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

422400030 is a wasteful number, since it uses less digits than its factorization.

422400030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083100.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 422400030 is about 20552.3728557070. The cubic root of 422400030 is about 750.3109999098.

Adding to 422400030 its reverse (30004224), we get a palindrome (452404254).

The spelling of 422400030 in words is "four hundred twenty-two million, four hundred thousand, thirty".