2241445421 has 8 divisors (see below), whose sum is σ = 2317632000. Its totient is φ = 2165501520.

The previous prime is 2241445417. The next prime is 2241445457. The reversal of 2241445421 is 1245441422.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2241445421 - 2² = 2241445417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2241445411) 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 7 ways as a sum of consecutive naturals, for example, 41786 + ... + 78923.

It is an arithmetic number, because the mean of its divisors is an integer number (289704000).

Almost surely, 2^2241445421 is an apocalyptic number.

It is an amenable number.

2241445421 is a deficient number, since it is larger than the sum of its proper divisors (76186579).

2241445421 is a wasteful number, since it uses less digits than its factorization.

2241445421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121339.

The product of its digits is 10240, while the sum is 29.

The square root of 2241445421 is about 47343.9058485884. The cubic root of 2241445421 is about 1308.7078961784.

Adding to 2241445421 its reverse (1245441422), we get a palindrome (3486886843).

The spelling of 2241445421 in words is "two billion, two hundred forty-one million, four hundred forty-five thousand, four hundred twenty-one".