22440241420251 has 16 divisors (see below), whose sum is σ = 29942208576000. Its totient is φ = 14949218798048.

The previous prime is 22440241420249. The next prime is 22440241420253. The reversal of 22440241420251 is 15202414204422.

It is an interprime number because it is at equal distance from previous prime (22440241420249) and next prime (22440241420253).

It is a cyclic number.

It is not a de Polignac number, because 22440241420251 - 2¹ = 22440241420249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22440241420253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80421925 + ... + 80700473.

It is an arithmetic number, because the mean of its divisors is an integer number (1871388036000).

Almost surely, 2^{22440241420251} is an apocalyptic number.

22440241420251 is a deficient number, since it is larger than the sum of its proper divisors (7501967155749).

22440241420251 is a wasteful number, since it uses less digits than its factorization.

22440241420251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298098.

The product of its (nonzero) digits is 40960, while the sum is 33.

Adding to 22440241420251 its reverse (15202414204422), we get a palindrome (37642655624673).

The spelling of 22440241420251 in words is "twenty-two trillion, four hundred forty billion, two hundred forty-one million, four hundred twenty thousand, two hundred fifty-one".