422293281 has 8 divisors (see below), whose sum is σ = 563181984. Its totient is φ = 281466720.

The previous prime is 422293279. The next prime is 422293307. The reversal of 422293281 is 182392224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 422293281 - 2¹ = 422293279 is a prime.

It is a super-2 number, since 2×422293281² = 356663230355489922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422293231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3741 + ... + 29301.

It is an arithmetic number, because the mean of its divisors is an integer number (70397748).

Almost surely, 2^422293281 is an apocalyptic number.

It is an amenable number.

422293281 is a deficient number, since it is larger than the sum of its proper divisors (140888703).

422293281 is a wasteful number, since it uses less digits than its factorization.

422293281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31071.

The product of its digits is 13824, while the sum is 33.

The square root of 422293281 is about 20549.7756922065. The cubic root of 422293281 is about 750.2477883478.

The spelling of 422293281 in words is "four hundred twenty-two million, two hundred ninety-three thousand, two hundred eighty-one".