22240130421 has 16 divisors (see below), whose sum is σ = 30804422400. Its totient is φ = 14255575488.

The previous prime is 22240130387. The next prime is 22240130431. The reversal of 22240130421 is 12403104222.

It is not a de Polignac number, because 22240130421 - 2⁶ = 22240130357 is a prime.

It is a super-2 number, since 2×22240130421² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22240130431) 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, 514006 + ... + 555591.

It is an arithmetic number, because the mean of its divisors is an integer number (1925276400).

Almost surely, 2^22240130421 is an apocalyptic number.

It is an amenable number.

22240130421 is a deficient number, since it is larger than the sum of its proper divisors (8564291979).

22240130421 is a wasteful number, since it uses less digits than its factorization.

22240130421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069868.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22240130421 its reverse (12403104222), we get a palindrome (34643234643).

The spelling of 22240130421 in words is "twenty-two billion, two hundred forty million, one hundred thirty thousand, four hundred twenty-one".