24220421401 has 4 divisors (see below), whose sum is σ = 26422277904. Its totient is φ = 22018564900.

The previous prime is 24220421387. The next prime is 24220421411. The reversal of 24220421401 is 10412402242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 24220421401 - 2⁵ = 24220421369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (24220421411) 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 3 ways as a sum of consecutive naturals, for example, 1100928235 + ... + 1100928256.

It is an arithmetic number, because the mean of its divisors is an integer number (6605569476).

Almost surely, 2^24220421401 is an apocalyptic number.

It is an amenable number.

24220421401 is a deficient number, since it is larger than the sum of its proper divisors (2201856503).

24220421401 is a wasteful number, since it uses less digits than its factorization.

24220421401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201856502.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 24220421401 its reverse (10412402242), we get a palindrome (34632823643).

The spelling of 24220421401 in words is "twenty-four billion, two hundred twenty million, four hundred twenty-one thousand, four hundred one".