22231421013 has 8 divisors (see below), whose sum is σ = 30331241248. Its totient is φ = 14476274064.

The previous prime is 22231420997. The next prime is 22231421053. The reversal of 22231421013 is 31012413222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22231421013 - 2⁴ = 22231420997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231421053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86168170 + ... + 86168427.

It is an arithmetic number, because the mean of its divisors is an integer number (3791405156).

Almost surely, 2^22231421013 is an apocalyptic number.

It is an amenable number.

22231421013 is a deficient number, since it is larger than the sum of its proper divisors (8099820235).

22231421013 is a wasteful number, since it uses less digits than its factorization.

22231421013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172336643.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22231421013 its reverse (31012413222), we get a palindrome (53243834235).

The spelling of 22231421013 in words is "twenty-two billion, two hundred thirty-one million, four hundred twenty-one thousand, thirteen".