422233855 has 4 divisors (see below), whose sum is σ = 506680632. Its totient is φ = 337787080.

The previous prime is 422233841. The next prime is 422233871. The reversal of 422233855 is 558332224.

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

It is not a de Polignac number, because 422233855 - 2¹⁷ = 422102783 is a prime.

It is a super-2 number, since 2×422233855² = 356562856616322050, which contains 22 as substring.

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 422233855.

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, 42223381 + ... + 42223390.

It is an arithmetic number, because the mean of its divisors is an integer number (126670158).

Almost surely, 2^422233855 is an apocalyptic number.

422233855 is a deficient number, since it is larger than the sum of its proper divisors (84446777).

422233855 is an equidigital number, since it uses as much as digits as its factorization.

422233855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84446776.

The product of its digits is 57600, while the sum is 34.

The square root of 422233855 is about 20548.3297374750. The cubic root of 422233855 is about 750.2125945472.

The spelling of 422233855 in words is "four hundred twenty-two million, two hundred thirty-three thousand, eight hundred fifty-five".