22541422249 has 2 divisors, whose sum is σ = 22541422250. Its totient is φ = 22541422248.

The previous prime is 22541422247. The next prime is 22541422307. The reversal of 22541422249 is 94222414522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16716679849 + 5824742400 = 129293^2 + 76320^2 .

It is a cyclic number.

It is not a de Polignac number, because 22541422249 - 2¹ = 22541422247 is a prime.

Together with 22541422247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22541422247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11270711124 + 11270711125.

It is an arithmetic number, because the mean of its divisors is an integer number (11270711125).

Almost surely, 2^22541422249 is an apocalyptic number.

It is an amenable number.

22541422249 is a deficient number, since it is larger than the sum of its proper divisors (1).

22541422249 is an equidigital number, since it uses as much as digits as its factorization.

22541422249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92160, while the sum is 37.

The spelling of 22541422249 in words is "twenty-two billion, five hundred forty-one million, four hundred twenty-two thousand, two hundred forty-nine".