2241457 has 4 divisors (see below), whose sum is σ = 2257956. Its totient is φ = 2224960.

The previous prime is 2241443. The next prime is 2241479. The reversal of 2241457 is 7541422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1083681 + 1157776 = 1041^2 + 1076^2 .

It is a cyclic number.

It is not a de Polignac number, because 2241457 - 2¹⁹ = 1717169 is a prime.

It is a Duffinian number.

2241457 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2241427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8044 + ... + 8317.

It is an arithmetic number, because the mean of its divisors is an integer number (564489).

2^2241457 is an apocalyptic number.

It is an amenable number.

2241457 is a deficient number, since it is larger than the sum of its proper divisors (16499).

2241457 is a wasteful number, since it uses less digits than its factorization.

2241457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16498.

The product of its digits is 2240, while the sum is 25.

The square root of 2241457 is about 1497.1496251210. The cubic root of 2241457 is about 130.8710149710.

Adding to 2241457 its reverse (7541422), we get a palindrome (9782879).

It can be divided in two parts, 224 and 1457, that added together give a square (1681 = 41²).

The spelling of 2241457 in words is "two million, two hundred forty-one thousand, four hundred fifty-seven".