41221442243 has 4 divisors (see below), whose sum is σ = 41786119608. Its totient is φ = 40656764880.

The previous prime is 41221442209. The next prime is 41221442263. The reversal of 41221442243 is 34224412214.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34224412214 = 2 ⋅17112206107.

It is a cyclic number.

It is not a de Polignac number, because 41221442243 - 2³² = 36926474947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41221442263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282338573 + ... + 282338718.

It is an arithmetic number, because the mean of its divisors is an integer number (10446529902).

Almost surely, 2^41221442243 is an apocalyptic number.

41221442243 is a deficient number, since it is larger than the sum of its proper divisors (564677365).

41221442243 is an equidigital number, since it uses as much as digits as its factorization.

41221442243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564677364.

The product of its digits is 12288, while the sum is 29.

Adding to 41221442243 its reverse (34224412214), we get a palindrome (75445854457).

The spelling of 41221442243 in words is "forty-one billion, two hundred twenty-one million, four hundred forty-two thousand, two hundred forty-three".