2211472 has 20 divisors (see below), whose sum is σ = 4335660. Its totient is φ = 1092608.

The previous prime is 2211439. The next prime is 2211481. The reversal of 2211472 is 2741122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 318096 + 1893376 = 564^2 + 1376^2 .

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, 648 + ... + 2200.

It is an arithmetic number, because the mean of its divisors is an integer number (216783).

2^2211472 is an apocalyptic number.

It is an amenable number.

2211472 is a deficient number, since it is larger than the sum of its proper divisors (2124188).

2211472 is a wasteful number, since it uses less digits than its factorization.

2211472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650 (or 1644 counting only the distinct ones).

The product of its digits is 224, while the sum is 19.

The square root of 2211472 is about 1487.1018794958. The cubic root of 2211472 is about 130.2848193155.

Adding to 2211472 its reverse (2741122), we get a palindrome (4952594).

The spelling of 2211472 in words is "two million, two hundred eleven thousand, four hundred seventy-two".