2242664524421 has 8 divisors (see below), whose sum is σ = 2376050885784. Its totient is φ = 2109440931840.

The previous prime is 2242664524391. The next prime is 2242664524433. The reversal of 2242664524421 is 1244254662422.

It can be written as a sum of positive squares in 4 ways, for example, as 604290124321 + 1638374400100 = 777361^2 + 1279990^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2242664524421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242664527421) 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, 40663820 + ... + 40718933.

It is an arithmetic number, because the mean of its divisors is an integer number (297006360723).

Almost surely, 2^{2242664524421} is an apocalyptic number.

It is an amenable number.

2242664524421 is a deficient number, since it is larger than the sum of its proper divisors (133386361363).

2242664524421 is a wasteful number, since it uses less digits than its factorization.

2242664524421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81384391.

The product of its digits is 1474560, while the sum is 44.

The spelling of 2242664524421 in words is "two trillion, two hundred forty-two billion, six hundred sixty-four million, five hundred twenty-four thousand, four hundred twenty-one".