422030405 has 8 divisors (see below), whose sum is σ = 506644632. Its totient is φ = 337485568.

The previous prime is 422030377. The next prime is 422030501. The reversal of 422030405 is 504030224.

It can be written as a sum of positive squares in 4 ways, for example, as 99720196 + 322310209 = 9986^2 + 17953^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 422030405 - 2⁶ = 422030341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2864 + ... + 29193.

It is an arithmetic number, because the mean of its divisors is an integer number (63330579).

Almost surely, 2^422030405 is an apocalyptic number.

It is an amenable number.

422030405 is a deficient number, since it is larger than the sum of its proper divisors (84614227).

422030405 is a wasteful number, since it uses less digits than its factorization.

422030405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34695.

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

The square root of 422030405 is about 20543.3786169656. The cubic root of 422030405 is about 750.0920805463.

Adding to 422030405 its reverse (504030224), we get a palindrome (926060629).

The spelling of 422030405 in words is "four hundred twenty-two million, thirty thousand, four hundred five".