662620822422 has 32 divisors (see below), whose sum is σ = 1427562807552. Its totient is φ = 203829116064.

The previous prime is 662620822411. The next prime is 662620822453. The reversal of 662620822422 is 224228026266.

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, 833748 + ... + 1421399.

It is an arithmetic number, because the mean of its divisors is an integer number (44611337736).

Almost surely, 2^662620822422 is an apocalyptic number.

662620822422 is an abundant number, since it is smaller than the sum of its proper divisors (764941985130).

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

662620822422 is a wasteful number, since it uses less digits than its factorization.

662620822422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258932.

The product of its (nonzero) digits is 442368, while the sum is 42.

Adding to 662620822422 its reverse (224228026266), we get a palindrome (886848848688).

The spelling of 662620822422 in words is "six hundred sixty-two billion, six hundred twenty million, eight hundred twenty-two thousand, four hundred twenty-two".