422233909 has 2 divisors, whose sum is σ = 422233910. Its totient is φ = 422233908.

The previous prime is 422233873. The next prime is 422233921. The reversal of 422233909 is 909332224.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 392911684 + 29322225 = 19822^2 + 5415^2 .

It is a cyclic number.

It is not a de Polignac number, because 422233909 - 2¹³ = 422225717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422234909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211116954 + 211116955.

It is an arithmetic number, because the mean of its divisors is an integer number (211116955).

Almost surely, 2^422233909 is an apocalyptic number.

It is an amenable number.

422233909 is a deficient number, since it is larger than the sum of its proper divisors (1).

422233909 is an equidigital number, since it uses as much as digits as its factorization.

422233909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 422233909 is about 20548.3310514504. The cubic root of 422233909 is about 750.2126265291.

The spelling of 422233909 in words is "four hundred twenty-two million, two hundred thirty-three thousand, nine hundred nine".