22421002431304 has 8 divisors (see below), whose sum is σ = 42039379558710. Its totient is φ = 11210501215648.

The previous prime is 22421002431257. The next prime is 22421002431307. The reversal of 22421002431304 is 40313420012422.

It can be written as a sum of positive squares in only one way, i.e., 17493055300900 + 4927947130404 = 4182470^2 + 2219898^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (22421002431307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1401312651949 + ... + 1401312651964.

Almost surely, 2^{22421002431304} is an apocalyptic number.

It is an amenable number.

22421002431304 is a deficient number, since it is larger than the sum of its proper divisors (19618377127406).

22421002431304 is a wasteful number, since it uses less digits than its factorization.

22421002431304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802625303919 (or 2802625303915 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 22421002431304 its reverse (40313420012422), we get a palindrome (62734422443726).

The spelling of 22421002431304 in words is "twenty-two trillion, four hundred twenty-one billion, two million, four hundred thirty-one thousand, three hundred four".