422400133 has 4 divisors (see below), whose sum is σ = 424294528. Its totient is φ = 420505740.

The previous prime is 422400131. The next prime is 422400151. The reversal of 422400133 is 331004224.

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 422400133 - 2¹ = 422400131 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 422400133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422400131) 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, 946863 + ... + 947308.

It is an arithmetic number, because the mean of its divisors is an integer number (106073632).

Almost surely, 2^422400133 is an apocalyptic number.

It is an amenable number.

422400133 is a deficient number, since it is larger than the sum of its proper divisors (1894395).

422400133 is a wasteful number, since it uses less digits than its factorization.

422400133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894394.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 422400133 is about 20552.3753615002. The cubic root of 422400133 is about 750.3110608962.

Adding to 422400133 its reverse (331004224), we get a palindrome (753404357).

The spelling of 422400133 in words is "four hundred twenty-two million, four hundred thousand, one hundred thirty-three".