422111455 has 4 divisors (see below), whose sum is σ = 506533752. Its totient is φ = 337689160.

The previous prime is 422111383. The next prime is 422111461. The reversal of 422111455 is 554111224.

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

It is not a de Polignac number, because 422111455 - 2¹¹ = 422109407 is a prime.

It is a super-4 number, since 4×422111455⁴ (a number of 36 digits) contains 4444 as substring.

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 3 ways as a sum of consecutive naturals, for example, 42211141 + ... + 42211150.

It is an arithmetic number, because the mean of its divisors is an integer number (126633438).

Almost surely, 2^422111455 is an apocalyptic number.

422111455 is a deficient number, since it is larger than the sum of its proper divisors (84422297).

422111455 is an equidigital number, since it uses as much as digits as its factorization.

422111455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84422296.

The product of its digits is 1600, while the sum is 25.

The square root of 422111455 is about 20545.3511773345. The cubic root of 422111455 is about 750.1400953109.

Adding to 422111455 its reverse (554111224), we get a palindrome (976222679).

The spelling of 422111455 in words is "four hundred twenty-two million, one hundred eleven thousand, four hundred fifty-five".