622686686226 has 32 divisors (see below), whose sum is σ = 1395307764288. Its totient is φ = 183593125440.

The previous prime is 622686686131. The next prime is 622686686227.

622686686226 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 622686686226.

It is not an unprimeable number, because it can be changed into a prime (622686686227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127492785 + ... + 127497668.

It is an arithmetic number, because the mean of its divisors is an integer number (43603367634).

Almost surely, 2^622686686226 is an apocalyptic number.

622686686226 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

622686686226 is an abundant number, since it is smaller than the sum of its proper divisors (772621078062).

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

622686686226 is a wasteful number, since it uses less digits than its factorization.

622686686226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254990506.

The product of its digits is 47775744, while the sum is 60.

The spelling of 622686686226 in words is "six hundred twenty-two billion, six hundred eighty-six million, six hundred eighty-six thousand, two hundred twenty-six".