612622226216 has 128 divisors (see below), whose sum is σ = 1623438028800. Its totient is φ = 208727642880.

The previous prime is 612622226213. The next prime is 612622226219.

612622226216 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (612622226213) and next prime (612622226219).

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 612622226216.

It is not an unprimeable number, because it can be changed into a prime (612622226213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1861040 + ... + 2165343.

It is an arithmetic number, because the mean of its divisors is an integer number (12683109600).

Almost surely, 2^612622226216 is an apocalyptic number.

It is an amenable number.

612622226216 is an abundant number, since it is smaller than the sum of its proper divisors (1010815802584).

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

612622226216 is a wasteful number, since it uses less digits than its factorization.

612622226216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4026439 (or 4026435 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

It can be divided in two parts, 612622 and 226216, that added together give a palindrome (838838).

The spelling of 612622226216 in words is "six hundred twelve billion, six hundred twenty-two million, two hundred twenty-six thousand, two hundred sixteen".