2241089021 has 2 divisors, whose sum is σ = 2241089022. Its totient is φ = 2241089020.

The previous prime is 2241089017. The next prime is 2241089029. The reversal of 2241089021 is 1209801422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2177248921 + 63840100 = 46661^2 + 7990^2 .

It is a cyclic number.

It is not a de Polignac number, because 2241089021 - 2² = 2241089017 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2241089029) 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 as a sum of consecutive naturals, namely, 1120544510 + 1120544511.

It is an arithmetic number, because the mean of its divisors is an integer number (1120544511).

Almost surely, 2^2241089021 is an apocalyptic number.

It is an amenable number.

2241089021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2241089021 is an equidigital number, since it uses as much as digits as its factorization.

2241089021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 2241089021 is about 47340.1417509496. The cubic root of 2241089021 is about 1308.6385290023.

The spelling of 2241089021 in words is "two billion, two hundred forty-one million, eighty-nine thousand, twenty-one".