422906788111 has 4 divisors (see below), whose sum is σ = 441294039792. Its totient is φ = 404519536432.

The previous prime is 422906788103. The next prime is 422906788121. The reversal of 422906788111 is 111887609224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422906788111 - 2³ = 422906788103 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 (422906788121) 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, 9193625806 + ... + 9193625851.

It is an arithmetic number, because the mean of its divisors is an integer number (110323509948).

Almost surely, 2^422906788111 is an apocalyptic number.

422906788111 is a deficient number, since it is larger than the sum of its proper divisors (18387251681).

422906788111 is a wasteful number, since it uses less digits than its factorization.

422906788111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18387251680.

The product of its (nonzero) digits is 387072, while the sum is 49.

The spelling of 422906788111 in words is "four hundred twenty-two billion, nine hundred six million, seven hundred eighty-eight thousand, one hundred eleven".