2241921 has 16 divisors (see below), whose sum is σ = 3342528. Its totient is φ = 1324800.

The previous prime is 2241919. The next prime is 2241923. The reversal of 2241921 is 1291422.

It is an interprime number because it is at equal distance from previous prime (2241919) and next prime (2241923).

It is not a de Polignac number, because 2241921 - 2¹ = 2241919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2241923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525 + ... + 2181.

It is an arithmetic number, because the mean of its divisors is an integer number (208908).

2^2241921 is an apocalyptic number.

It is an amenable number.

2241921 is a deficient number, since it is larger than the sum of its proper divisors (1100607).

2241921 is a wasteful number, since it uses less digits than its factorization.

2241921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712.

The product of its digits is 288, while the sum is 21.

The square root of 2241921 is about 1497.3045782338. The cubic root of 2241921 is about 130.8800448061.

It can be divided in two parts, 224 and 1921, that added together give a triangular number (2145 = T₆₅).

The spelling of 2241921 in words is "two million, two hundred forty-one thousand, nine hundred twenty-one".