4644662646622 has 16 divisors (see below), whose sum is σ = 7208451675360. Its totient is φ = 2241872455648.

The previous prime is 4644662646607. The next prime is 4644662646629. The reversal of 4644662646622 is 2266462664464.

It is a super-2 number, since 2×4644662646622² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4644662646629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6411793 + ... + 7099324.

It is an arithmetic number, because the mean of its divisors is an integer number (450528229710).

Almost surely, 2^{4644662646622} is an apocalyptic number.

4644662646622 is a deficient number, since it is larger than the sum of its proper divisors (2563789028738).

4644662646622 is a wasteful number, since it uses less digits than its factorization.

4644662646622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13517075.

The product of its digits is 95551488, while the sum is 58.

The spelling of 4644662646622 in words is "four trillion, six hundred forty-four billion, six hundred sixty-two million, six hundred forty-six thousand, six hundred twenty-two".