22254134321 has 2 divisors, whose sum is σ = 22254134322. Its totient is φ = 22254134320.

The previous prime is 22254134297. The next prime is 22254134327. The reversal of 22254134321 is 12343145222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20243598400 + 2010535921 = 142280^2 + 44839^2 .

It is a cyclic number.

It is not a de Polignac number, because 22254134321 - 2¹⁸ = 22253872177 is a prime.

It is a super-2 number, since 2×22254134321² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22254134327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11127067160 + 11127067161.

It is an arithmetic number, because the mean of its divisors is an integer number (11127067161).

Almost surely, 2^22254134321 is an apocalyptic number.

It is an amenable number.

22254134321 is a deficient number, since it is larger than the sum of its proper divisors (1).

22254134321 is an equidigital number, since it uses as much as digits as its factorization.

22254134321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 29.

Adding to 22254134321 its reverse (12343145222), we get a palindrome (34597279543).

The spelling of 22254134321 in words is "twenty-two billion, two hundred fifty-four million, one hundred thirty-four thousand, three hundred twenty-one".