422644862 has 8 divisors (see below), whose sum is σ = 634241136. Its totient is φ = 211231152.

The previous prime is 422644861. The next prime is 422644879. The reversal of 422644862 is 268446224.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422644861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39698 + ... + 49205.

It is an arithmetic number, because the mean of its divisors is an integer number (79280142).

Almost surely, 2^422644862 is an apocalyptic number.

422644862 is a deficient number, since it is larger than the sum of its proper divisors (211596274).

422644862 is a wasteful number, since it uses less digits than its factorization.

422644862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91282.

The product of its digits is 147456, while the sum is 38.

The square root of 422644862 is about 20558.3282880686. The cubic root of 422644862 is about 750.4559372906.

The spelling of 422644862 in words is "four hundred twenty-two million, six hundred forty-four thousand, eight hundred sixty-two".