422802420664 has 64 divisors (see below), whose sum is σ = 897653484000. Its totient is φ = 185321848320.

The previous prime is 422802420589. The next prime is 422802420671. The reversal of 422802420664 is 466024208224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 965094 + ... + 1333045.

Almost surely, 2^422802420664 is an apocalyptic number.

It is an amenable number.

422802420664 is an abundant number, since it is smaller than the sum of its proper divisors (474851063336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422802420664 is a wasteful number, since it uses less digits than its factorization.

422802420664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298248 (or 2298244 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 40.

Adding to 422802420664 its reverse (466024208224), we get a palindrome (888826628888).

The spelling of 422802420664 in words is "four hundred twenty-two billion, eight hundred two million, four hundred twenty thousand, six hundred sixty-four".