22153270649 has 2 divisors, whose sum is σ = 22153270650. Its totient is φ = 22153270648.

The previous prime is 22153270597. The next prime is 22153270661. The reversal of 22153270649 is 94607235122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17664270649 + 4489000000 = 132907^2 + 67000^2 .

It is a cyclic number.

It is not a de Polignac number, because 22153270649 - 2²⁰ = 22152222073 is a prime.

It is not a weakly prime, because it can be changed into another prime (22153270679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11076635324 + 11076635325.

It is an arithmetic number, because the mean of its divisors is an integer number (11076635325).

Almost surely, 2^22153270649 is an apocalyptic number.

It is an amenable number.

22153270649 is a deficient number, since it is larger than the sum of its proper divisors (1).

22153270649 is an equidigital number, since it uses as much as digits as its factorization.

22153270649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 22153270649 in words is "twenty-two billion, one hundred fifty-three million, two hundred seventy thousand, six hundred forty-nine".