2216623622 has 4 divisors (see below), whose sum is σ = 3324935436. Its totient is φ = 1108311810.

The previous prime is 2216623609. The next prime is 2216623637. The reversal of 2216623622 is 2263266122.

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

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, 554155904 + ... + 554155907.

It is an arithmetic number, because the mean of its divisors is an integer number (831233859).

Almost surely, 2^2216623622 is an apocalyptic number.

2216623622 is a deficient number, since it is larger than the sum of its proper divisors (1108311814).

2216623622 is a wasteful number, since it uses less digits than its factorization.

2216623622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108311813.

The product of its digits is 20736, while the sum is 32.

The square root of 2216623622 is about 47081.0325077945. The cubic root of 2216623622 is about 1303.8590698404.

Adding to 2216623622 its reverse (2263266122), we get a palindrome (4479889744).

The spelling of 2216623622 in words is "two billion, two hundred sixteen million, six hundred twenty-three thousand, six hundred twenty-two".