422102405 has 8 divisors (see below), whose sum is σ = 518302752. Its totient is φ = 329828688.

The previous prime is 422102399. The next prime is 422102411. The reversal of 422102405 is 504201224.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (422102399) and next prime (422102411).

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 422102405 - 2⁶ = 422102341 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, 981419 + ... + 981848.

It is an arithmetic number, because the mean of its divisors is an integer number (64787844).

Almost surely, 2^422102405 is an apocalyptic number.

It is an amenable number.

422102405 is a deficient number, since it is larger than the sum of its proper divisors (96200347).

422102405 is a wasteful number, since it uses less digits than its factorization.

422102405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963315.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 422102405 is about 20545.1309316831. The cubic root of 422102405 is about 750.1347343126.

Adding to 422102405 its reverse (504201224), we get a palindrome (926303629).

The spelling of 422102405 in words is "four hundred twenty-two million, one hundred two thousand, four hundred five".