2241520 has 20 divisors (see below), whose sum is σ = 5211720. Its totient is φ = 896576.

The previous prime is 2241509. The next prime is 2241521. The reversal of 2241520 is 251422.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 2241494 and 2241503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2241521) 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, 13930 + ... + 14089.

It is an arithmetic number, because the mean of its divisors is an integer number (260586).

2^2241520 is an apocalyptic number.

2241520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2241520 is an abundant number, since it is smaller than the sum of its proper divisors (2970200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2241520 is a wasteful number, since it uses less digits than its factorization.

2241520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28032 (or 28026 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 2241520 is about 1497.1706649544. The cubic root of 2241520 is about 130.8722410777.

Adding to 2241520 its reverse (251422), we get a palindrome (2492942).

The spelling of 2241520 in words is "two million, two hundred forty-one thousand, five hundred twenty".