422432405 has 8 divisors (see below), whose sum is σ = 536737752. Its totient is φ = 318066688.

The previous prime is 422432383. The next prime is 422432411. The reversal of 422432405 is 504234224.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 157979761 + 264452644 = 12569^2 + 16262^2 .

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 422432405 - 2¹⁰ = 422431381 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, 2484812 + ... + 2484981.

It is an arithmetic number, because the mean of its divisors is an integer number (67092219).

Almost surely, 2^422432405 is an apocalyptic number.

It is an amenable number.

422432405 is a deficient number, since it is larger than the sum of its proper divisors (114305347).

422432405 is a wasteful number, since it uses less digits than its factorization.

422432405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4969815.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 422432405 is about 20553.1604625663. The cubic root of 422432405 is about 750.3301687042.

Adding to 422432405 its reverse (504234224), we get a palindrome (926666629).

The spelling of 422432405 in words is "four hundred twenty-two million, four hundred thirty-two thousand, four hundred five".