422422247 has 4 divisors (see below), whose sum is σ = 454916280. Its totient is φ = 389928216.

The previous prime is 422422183. The next prime is 422422283. The reversal of 422422247 is 742224224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422422247 - 2⁶ = 422422183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422421247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16246997 + ... + 16247022.

It is an arithmetic number, because the mean of its divisors is an integer number (113729070).

Almost surely, 2^422422247 is an apocalyptic number.

422422247 is a deficient number, since it is larger than the sum of its proper divisors (32494033).

422422247 is a wasteful number, since it uses less digits than its factorization.

422422247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32494032.

The product of its digits is 14336, while the sum is 29.

The square root of 422422247 is about 20552.9133458009. The cubic root of 422422247 is about 750.3241543969.

The spelling of 422422247 in words is "four hundred twenty-two million, four hundred twenty-two thousand, two hundred forty-seven".