422133389 has 2 divisors, whose sum is σ = 422133390. Its totient is φ = 422133388.

The previous prime is 422133379. The next prime is 422133403. The reversal of 422133389 is 983331224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 413430889 + 8702500 = 20333^2 + 2950^2 .

It is a cyclic number.

It is not a de Polignac number, because 422133389 - 2⁸ = 422133133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422133379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211066694 + 211066695.

It is an arithmetic number, because the mean of its divisors is an integer number (211066695).

Almost surely, 2^422133389 is an apocalyptic number.

It is an amenable number.

422133389 is a deficient number, since it is larger than the sum of its proper divisors (1).

422133389 is an equidigital number, since it uses as much as digits as its factorization.

422133389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 35.

The square root of 422133389 is about 20545.8849651214. The cubic root of 422133389 is about 750.1530881573.

The spelling of 422133389 in words is "four hundred twenty-two million, one hundred thirty-three thousand, three hundred eighty-nine".