422000909 has 4 divisors (see below), whose sum is σ = 460364640. Its totient is φ = 383637180.

The previous prime is 422000903. The next prime is 422000933. The reversal of 422000909 is 909000224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 422000909 - 2⁸ = 422000653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422000903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19181849 + ... + 19181870.

It is an arithmetic number, because the mean of its divisors is an integer number (115091160).

Almost surely, 2^422000909 is an apocalyptic number.

It is an amenable number.

422000909 is a deficient number, since it is larger than the sum of its proper divisors (38363731).

422000909 is a wasteful number, since it uses less digits than its factorization.

422000909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38363730.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 422000909 is about 20542.6607088761. The cubic root of 422000909 is about 750.0746053192.

The spelling of 422000909 in words is "four hundred twenty-two million, nine hundred nine", and thus it is an aban number.