12622236444 has 36 divisors (see below), whose sum is σ = 31909626840. Its totient is φ = 4206961440.

The previous prime is 12622236443. The next prime is 12622236461. The reversal of 12622236444 is 44463222621.

12622236444 is a `hidden beast` number, since 1 + 2 + 6 + 2 + 2 + 2 + 3 + 644 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12622236399 and 12622236408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12622236443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 614167 + ... + 634385.

Almost surely, 2^12622236444 is an apocalyptic number.

It is an amenable number.

12622236444 is an abundant number, since it is smaller than the sum of its proper divisors (19287390396).

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

12622236444 is a wasteful number, since it uses less digits than its factorization.

12622236444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37570 (or 37565 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The spelling of 12622236444 in words is "twelve billion, six hundred twenty-two million, two hundred thirty-six thousand, four hundred forty-four".