22045250435449 has 2 divisors, whose sum is σ = 22045250435450. Its totient is φ = 22045250435448.

The previous prime is 22045250435363. The next prime is 22045250435459. The reversal of 22045250435449 is 94453405254022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19796555246224 + 2248695189225 = 4449332^2 + 1499565^2 .

It is a cyclic number.

It is not a de Polignac number, because 22045250435449 - 2⁹ = 22045250434937 is a prime.

It is not a weakly prime, because it can be changed into another prime (22045250435459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11022625217724 + 11022625217725.

It is an arithmetic number, because the mean of its divisors is an integer number (11022625217725).

Almost surely, 2^{22045250435449} is an apocalyptic number.

It is an amenable number.

22045250435449 is a deficient number, since it is larger than the sum of its proper divisors (1).

22045250435449 is an equidigital number, since it uses as much as digits as its factorization.

22045250435449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912000, while the sum is 49.

The spelling of 22045250435449 in words is "twenty-two trillion, forty-five billion, two hundred fifty million, four hundred thirty-five thousand, four hundred forty-nine".