2241015421 has 4 divisors (see below), whose sum is σ = 2241121212. Its totient is φ = 2240909632.

The previous prime is 2241015409. The next prime is 2241015431. The reversal of 2241015421 is 1245101422.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 869424196 + 1371591225 = 29486^2 + 37035^2 .

It is a cyclic number.

It is not a de Polignac number, because 2241015421 - 2²⁹ = 1704144509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2241015392 and 2241015401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2241015431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8950 + ... + 67543.

It is an arithmetic number, because the mean of its divisors is an integer number (560280303).

Almost surely, 2^2241015421 is an apocalyptic number.

It is an amenable number.

2241015421 is a deficient number, since it is larger than the sum of its proper divisors (105791).

2241015421 is an equidigital number, since it uses as much as digits as its factorization.

2241015421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105790.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 2241015421 is about 47339.3643915928. The cubic root of 2241015421 is about 1308.6242031026.

Adding to 2241015421 its reverse (1245101422), we get a palindrome (3486116843).

The spelling of 2241015421 in words is "two billion, two hundred forty-one million, fifteen thousand, four hundred twenty-one".