622163236432 has 20 divisors (see below), whose sum is σ = 1207957864320. Its totient is φ = 310432174688.

The previous prime is 622163236423. The next prime is 622163236433. The reversal of 622163236432 is 234632361226.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622163236433) 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, 40582318 + ... + 40597645.

It is an arithmetic number, because the mean of its divisors is an integer number (60397893216).

Almost surely, 2^622163236432 is an apocalyptic number.

It is an amenable number.

622163236432 is a deficient number, since it is larger than the sum of its proper divisors (585794627888).

622163236432 is a wasteful number, since it uses less digits than its factorization.

622163236432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81180450 (or 81180444 counting only the distinct ones).

The product of its digits is 373248, while the sum is 40.

Adding to 622163236432 its reverse (234632361226), we get a palindrome (856795597658).

The spelling of 622163236432 in words is "six hundred twenty-two billion, one hundred sixty-three million, two hundred thirty-six thousand, four hundred thirty-two".