422844147 has 12 divisors (see below), whose sum is σ = 666300024. Its totient is φ = 256269120.

The previous prime is 422844143. The next prime is 422844151. The reversal of 422844147 is 741448224.

It is an interprime number because it is at equal distance from previous prime (422844143) and next prime (422844151).

It is not a de Polignac number, because 422844147 - 2² = 422844143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422844143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2135478 + ... + 2135675.

It is an arithmetic number, because the mean of its divisors is an integer number (55525002).

Almost surely, 2^422844147 is an apocalyptic number.

422844147 is a deficient number, since it is larger than the sum of its proper divisors (243455877).

422844147 is a wasteful number, since it uses less digits than its factorization.

422844147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4271170 (or 4271167 counting only the distinct ones).

The product of its digits is 57344, while the sum is 36.

The square root of 422844147 is about 20563.1745360487. The cubic root of 422844147 is about 750.5738701188.

The spelling of 422844147 in words is "four hundred twenty-two million, eight hundred forty-four thousand, one hundred forty-seven".