2666404422 has 48 divisors (see below), whose sum is σ = 6348478032. Its totient is φ = 802095360.

The previous prime is 2666404417. The next prime is 2666404441. The reversal of 2666404422 is 2244046662.

It is a super-2 number, since 2×2666404422² = 14219425083322308168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 22023 + ... + 76274.

It is an arithmetic number, because the mean of its divisors is an integer number (132259959).

Almost surely, 2^2666404422 is an apocalyptic number.

2666404422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2666404422 is an abundant number, since it is smaller than the sum of its proper divisors (3682073610).

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

2666404422 is a wasteful number, since it uses less digits than its factorization.

2666404422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98453 (or 98450 counting only the distinct ones).

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

The square root of 2666404422 is about 51637.2387139359. The cubic root of 2666404422 is about 1386.6770896370.

The spelling of 2666404422 in words is "two billion, six hundred sixty-six million, four hundred four thousand, four hundred twenty-two".