22124010449 has 2 divisors, whose sum is σ = 22124010450. Its totient is φ = 22124010448.

The previous prime is 22124010353. The next prime is 22124010463. The reversal of 22124010449 is 94401042122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20695699600 + 1428310849 = 143860^2 + 37793^2 .

It is a cyclic number.

It is not a de Polignac number, because 22124010449 - 2⁸ = 22124010193 is a prime.

It is a super-2 number, since 2×22124010449² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22124010949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11062005224 + 11062005225.

It is an arithmetic number, because the mean of its divisors is an integer number (11062005225).

Almost surely, 2^22124010449 is an apocalyptic number.

It is an amenable number.

22124010449 is a deficient number, since it is larger than the sum of its proper divisors (1).

22124010449 is an equidigital number, since it uses as much as digits as its factorization.

22124010449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 22124010449 in words is "twenty-two billion, one hundred twenty-four million, ten thousand, four hundred forty-nine".