422101939 has 4 divisors (see below), whose sum is σ = 482402224. Its totient is φ = 361801656.

The previous prime is 422101919. The next prime is 422101949. The reversal of 422101939 is 939101224.

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 422101939 - 2⁵ = 422101907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 422101939.

It is not an unprimeable number, because it can be changed into a prime (422101919) 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, 30150132 + ... + 30150145.

It is an arithmetic number, because the mean of its divisors is an integer number (120600556).

Almost surely, 2^422101939 is an apocalyptic number.

422101939 is a deficient number, since it is larger than the sum of its proper divisors (60300285).

422101939 is an equidigital number, since it uses as much as digits as its factorization.

422101939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60300284.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 422101939 is about 20545.1195907933. The cubic root of 422101939 is about 750.1344582636.

The spelling of 422101939 in words is "four hundred twenty-two million, one hundred one thousand, nine hundred thirty-nine".