2220741 has 12 divisors (see below), whose sum is σ = 3224832. Its totient is φ = 1472616.

The previous prime is 2220731. The next prime is 2220749. The reversal of 2220741 is 1470222.

It is not a de Polignac number, because 2220741 - 2¹⁵ = 2187973 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1500 + ... + 2586.

It is an arithmetic number, because the mean of its divisors is an integer number (268736).

2^2220741 is an apocalyptic number.

It is an amenable number.

2220741 is a deficient number, since it is larger than the sum of its proper divisors (1004091).

2220741 is a wasteful number, since it uses less digits than its factorization.

2220741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320 (or 1317 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 2220741 is about 1490.2150851471. The cubic root of 2220741 is about 130.4665876499.

Adding to 2220741 its reverse (1470222), we get a palindrome (3690963).

The spelling of 2220741 in words is "two million, two hundred twenty thousand, seven hundred forty-one".