422273493 has 24 divisors (see below), whose sum is σ = 633761856. Its totient is φ = 280972800.

The previous prime is 422273483. The next prime is 422273519. The reversal of 422273493 is 394372224.

It is a happy number.

It is not a de Polignac number, because 422273493 - 2⁴ = 422273477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422273483) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154408 + ... + 157118.

It is an arithmetic number, because the mean of its divisors is an integer number (26406744).

Almost surely, 2^422273493 is an apocalyptic number.

It is an amenable number.

422273493 is a deficient number, since it is larger than the sum of its proper divisors (211488363).

422273493 is an equidigital number, since it uses as much as digits as its factorization.

422273493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367 (or 3355 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 422273493 is about 20549.2942214569. The cubic root of 422273493 is about 750.2360696870.

The spelling of 422273493 in words is "four hundred twenty-two million, two hundred seventy-three thousand, four hundred ninety-three".