2242041521 has 2 divisors, whose sum is σ = 2242041522. Its totient is φ = 2242041520.

The previous prime is 2242041509. The next prime is 2242041547. The reversal of 2242041521 is 1251402422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1596881521 + 645160000 = 39961^2 + 25400^2 .

It is a cyclic number.

It is not a de Polignac number, because 2242041521 - 2²² = 2237847217 is a prime.

It is not a weakly prime, because it can be changed into another prime (2242041121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121020760 + 1121020761.

It is an arithmetic number, because the mean of its divisors is an integer number (1121020761).

Almost surely, 2^2242041521 is an apocalyptic number.

It is an amenable number.

2242041521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2242041521 is an equidigital number, since it uses as much as digits as its factorization.

2242041521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2242041521 is about 47350.2008549066. The cubic root of 2242041521 is about 1308.8239004352.

Adding to 2242041521 its reverse (1251402422), we get a palindrome (3493443943).

The spelling of 2242041521 in words is "two billion, two hundred forty-two million, forty-one thousand, five hundred twenty-one".