2666602222 has 4 divisors (see below), whose sum is σ = 3999903336. Its totient is φ = 1333301110.

The previous prime is 2666602219. The next prime is 2666602241. The reversal of 2666602222 is 2222066662.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2666602222² = 14221534820750674568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666650554 + ... + 666650557.

It is an arithmetic number, because the mean of its divisors is an integer number (999975834).

Almost surely, 2^2666602222 is an apocalyptic number.

2666602222 is a deficient number, since it is larger than the sum of its proper divisors (1333301114).

2666602222 is a wasteful number, since it uses less digits than its factorization.

2666602222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333301113.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 2666602222 is about 51639.1539628604. The cubic root of 2666602222 is about 1386.7113777522.

Adding to 2666602222 its reverse (2222066662), we get a palindrome (4888668884).

The spelling of 2666602222 in words is "two billion, six hundred sixty-six million, six hundred two thousand, two hundred twenty-two".