22049076449 has 12 divisors (see below), whose sum is σ = 24178893804. Its totient is φ = 20036470272.

The previous prime is 22049076443. The next prime is 22049076451. The reversal of 22049076449 is 94467094022.

It can be written as a sum of positive squares in 6 ways, for example, as 1354240000 + 20694836449 = 36800^2 + 143857^2 .

It is not a de Polignac number, because 22049076449 - 2⁸ = 22049076193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22049076443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 756812 + ... + 785405.

It is an arithmetic number, because the mean of its divisors is an integer number (2014907817).

Almost surely, 2^22049076449 is an apocalyptic number.

22049076449 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

22049076449 is a deficient number, since it is larger than the sum of its proper divisors (2129817355).

22049076449 is a wasteful number, since it uses less digits than its factorization.

22049076449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542292 (or 1542263 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 22049076449 in words is "twenty-two billion, forty-nine million, seventy-six thousand, four hundred forty-nine".