22204204549 has 2 divisors, whose sum is σ = 22204204550. Its totient is φ = 22204204548.

The previous prime is 22204204541. The next prime is 22204204601. The reversal of 22204204549 is 94540240222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12397263649 + 9806940900 = 111343^2 + 99030^2 .

It is a cyclic number.

It is not a de Polignac number, because 22204204549 - 2³ = 22204204541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22204204541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11102102274 + 11102102275.

It is an arithmetic number, because the mean of its divisors is an integer number (11102102275).

Almost surely, 2^22204204549 is an apocalyptic number.

It is an amenable number.

22204204549 is a deficient number, since it is larger than the sum of its proper divisors (1).

22204204549 is an equidigital number, since it uses as much as digits as its factorization.

22204204549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 22204204549 in words is "twenty-two billion, two hundred four million, two hundred four thousand, five hundred forty-nine".