422722133 has 4 divisors (see below), whose sum is σ = 423110688. Its totient is φ = 422333580.

The previous prime is 422722123. The next prime is 422722163. The reversal of 422722133 is 331227224.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 422722133 - 2²⁰ = 421673557 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 (422722123) 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, 192641 + ... + 194822.

It is an arithmetic number, because the mean of its divisors is an integer number (105777672).

Almost surely, 2^422722133 is an apocalyptic number.

It is an amenable number.

422722133 is a deficient number, since it is larger than the sum of its proper divisors (388555).

422722133 is a wasteful number, since it uses less digits than its factorization.

422722133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388554.

The product of its digits is 4032, while the sum is 26.

The square root of 422722133 is about 20560.2075135442. The cubic root of 422722133 is about 750.5016691034.

Adding to 422722133 its reverse (331227224), we get a palindrome (753949357).

The spelling of 422722133 in words is "four hundred twenty-two million, seven hundred twenty-two thousand, one hundred thirty-three".