2237481 has 6 divisors (see below), whose sum is σ = 3231930. Its totient is φ = 1491648.

The previous prime is 2237479. The next prime is 2237491. The reversal of 2237481 is 1847322.

It can be written as a sum of positive squares in only one way, i.e., 2223081 + 14400 = 1491^2 + 120^2 .

It is not a de Polignac number, because 2237481 - 2¹ = 2237479 is a prime.

It is a super-2 number, since 2×2237481² = 10012642450722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2237401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124296 + ... + 124313.

It is an arithmetic number, because the mean of its divisors is an integer number (538655).

2^2237481 is an apocalyptic number.

It is an amenable number.

2237481 is a deficient number, since it is larger than the sum of its proper divisors (994449).

2237481 is a wasteful number, since it uses less digits than its factorization.

2237481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248615 (or 248612 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 2237481 is about 1495.8211791521. The cubic root of 2237481 is about 130.7935874869.

The spelling of 2237481 in words is "two million, two hundred thirty-seven thousand, four hundred eighty-one".