2211772 has 24 divisors (see below), whose sum is σ = 4183200. Its totient is φ = 1020096.

The previous prime is 2211707. The next prime is 2211779. The reversal of 2211772 is 2771122.

2211772 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2254 + ... + 3082.

It is an arithmetic number, because the mean of its divisors is an integer number (174300).

2^2211772 is an apocalyptic number.

It is an amenable number.

2211772 is a deficient number, since it is larger than the sum of its proper divisors (1971428).

2211772 is a wasteful number, since it uses less digits than its factorization.

2211772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885 (or 883 counting only the distinct ones).

The product of its digits is 392, while the sum is 22.

The square root of 2211772 is about 1487.2027434079. The cubic root of 2211772 is about 130.2907103659.

Adding to 2211772 its reverse (2771122), we get a palindrome (4982894).

The spelling of 2211772 in words is "two million, two hundred eleven thousand, seven hundred seventy-two".