422002430 has 32 divisors (see below), whose sum is σ = 791977824. Its totient is φ = 161755776.

The previous prime is 422002423. The next prime is 422002447. The reversal of 422002430 is 34200224.

It is a junction number, because it is equal to n+sod(n) for n = 422002399 and 422002408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13532 + ... + 32048.

It is an arithmetic number, because the mean of its divisors is an integer number (24749307).

Almost surely, 2^422002430 is an apocalyptic number.

422002430 is a deficient number, since it is larger than the sum of its proper divisors (369975394).

422002430 is a wasteful number, since it uses less digits than its factorization.

422002430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18620.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 422002430 is about 20542.6977293636. The cubic root of 422002430 is about 750.0755064722.

Adding to 422002430 its reverse (34200224), we get a palindrome (456202654).

The spelling of 422002430 in words is "four hundred twenty-two million, two thousand, four hundred thirty".