422011091 has 8 divisors (see below), whose sum is σ = 442128384. Its totient is φ = 402300360.

The previous prime is 422011087. The next prime is 422011099. The reversal of 422011091 is 190110224.

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 422011091 - 2² = 422011087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422011099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99515 + ... + 103668.

It is an arithmetic number, because the mean of its divisors is an integer number (55266048).

Almost surely, 2^422011091 is an apocalyptic number.

422011091 is a deficient number, since it is larger than the sum of its proper divisors (20117293).

422011091 is a wasteful number, since it uses less digits than its factorization.

422011091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203281.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 422011091 is about 20542.9085331167. The cubic root of 422011091 is about 750.0806378483.

The spelling of 422011091 in words is "four hundred twenty-two million, eleven thousand, ninety-one".