2211622672 has 20 divisors (see below), whose sum is σ = 4897164736. Its totient is φ = 947838240.

The previous prime is 2211622669. The next prime is 2211622691. The reversal of 2211622672 is 2762261122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9873204 + ... + 9873427.

Almost surely, 2^2211622672 is an apocalyptic number.

It is an amenable number.

2211622672 is an abundant number, since it is smaller than the sum of its proper divisors (2685542064).

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

2211622672 is a wasteful number, since it uses less digits than its factorization.

2211622672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19746646 (or 19746640 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 2211622672 is about 47027.8924894578. The cubic root of 2211622672 is about 1302.8777810325.

Adding to 2211622672 its reverse (2762261122), we get a palindrome (4973883794).

The spelling of 2211622672 in words is "two billion, two hundred eleven million, six hundred twenty-two thousand, six hundred seventy-two".