6666744022 has 8 divisors (see below), whose sum is σ = 10003283136. Its totient is φ = 3332316312.

The previous prime is 6666743989. The next prime is 6666744023. The reversal of 6666744022 is 2204476666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6666744022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6666744023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519933 + ... + 532600.

It is an arithmetic number, because the mean of its divisors is an integer number (1250410392).

Almost surely, 2^6666744022 is an apocalyptic number.

6666744022 is a deficient number, since it is larger than the sum of its proper divisors (3336539114).

6666744022 is a wasteful number, since it uses less digits than its factorization.

6666744022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055702.

The product of its (nonzero) digits is 580608, while the sum is 43.

The square root of 6666744022 is about 81650.1317941374. The cubic root of 6666744022 is about 1882.0793371495.

The spelling of 6666744022 in words is "six billion, six hundred sixty-six million, seven hundred forty-four thousand, twenty-two".