4006644622 has 16 divisors (see below), whose sum is σ = 6102445392. Its totient is φ = 1972523520.

The previous prime is 4006644601. The next prime is 4006644623. The reversal of 4006644622 is 2264466004.

It is a super-2 number, since 2×4006644622² = 32106402254003045768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006644623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363472 + ... + 374332.

It is an arithmetic number, because the mean of its divisors is an integer number (381402837).

Almost surely, 2^4006644622 is an apocalyptic number.

4006644622 is a deficient number, since it is larger than the sum of its proper divisors (2095800770).

4006644622 is a wasteful number, since it uses less digits than its factorization.

4006644622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13683.

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 4006644622 is about 63298.0617554756. The cubic root of 4006644622 is about 1588.2795390425.

The spelling of 4006644622 in words is "four billion, six million, six hundred forty-four thousand, six hundred twenty-two".