422620442864 has 10 divisors (see below), whose sum is σ = 818827108080. Its totient is φ = 211310221424.

The previous prime is 422620442863. The next prime is 422620442879. The reversal of 422620442864 is 468244026224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422620442863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13206888824 + ... + 13206888855.

It is an arithmetic number, because the mean of its divisors is an integer number (81882710808).

Almost surely, 2^422620442864 is an apocalyptic number.

It is an amenable number.

422620442864 is a deficient number, since it is larger than the sum of its proper divisors (396206665216).

422620442864 is a wasteful number, since it uses less digits than its factorization.

422620442864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26413777687 (or 26413777681 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 44.

The spelling of 422620442864 in words is "four hundred twenty-two billion, six hundred twenty million, four hundred forty-two thousand, eight hundred sixty-four".