2421222441401 has 4 divisors (see below), whose sum is σ = 2421233690100. Its totient is φ = 2421211192704.

The previous prime is 2421222441383. The next prime is 2421222441419. The reversal of 2421222441401 is 1041442221242.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2421222441383) and next prime (2421222441419).

It can be written as a sum of positive squares in 2 ways, for example, as 746281743376 + 1674940698025 = 863876^2 + 1294195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2421222441401 is a prime.

It is a super-2 number, since 2×2421222441401² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421222441101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5295056 + ... + 5734113.

It is an arithmetic number, because the mean of its divisors is an integer number (605308422525).

Almost surely, 2^{2421222441401} is an apocalyptic number.

It is an amenable number.

2421222441401 is a deficient number, since it is larger than the sum of its proper divisors (11248699).

2421222441401 is a wasteful number, since it uses less digits than its factorization.

2421222441401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11248698.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 2421222441401 its reverse (1041442221242), we get a palindrome (3462664662643).

The spelling of 2421222441401 in words is "two trillion, four hundred twenty-one billion, two hundred twenty-two million, four hundred forty-one thousand, four hundred one".