2644622222 has 12 divisors (see below), whose sum is σ = 4360348608. Its totient is φ = 1202100900.

The previous prime is 2644622213. The next prime is 2644622231. The reversal of 2644622222 is 2222264462.

It is an interprime number because it is at equal distance from previous prime (2644622213) and next prime (2644622231).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5463854 + ... + 5464337.

It is an arithmetic number, because the mean of its divisors is an integer number (363362384).

Almost surely, 2^2644622222 is an apocalyptic number.

2644622222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2644622222 is a deficient number, since it is larger than the sum of its proper divisors (1715726386).

2644622222 is a wasteful number, since it uses less digits than its factorization.

2644622222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10928215 (or 10928204 counting only the distinct ones).

The product of its digits is 36864, while the sum is 32.

The square root of 2644622222 is about 51425.8905805237. The cubic root of 2644622222 is about 1382.8907795094.

Adding to 2644622222 its reverse (2222264462), we get a palindrome (4866886684).

The spelling of 2644622222 in words is "two billion, six hundred forty-four million, six hundred twenty-two thousand, two hundred twenty-two".