22100212249 has 2 divisors, whose sum is σ = 22100212250. Its totient is φ = 22100212248.

The previous prime is 22100212241. The next prime is 22100212297. The reversal of 22100212249 is 94221200122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21012531849 + 1087680400 = 144957^2 + 32980^2 .

It is a cyclic number.

It is not a de Polignac number, because 22100212249 - 2³ = 22100212241 is a prime.

It is not a weakly prime, because it can be changed into another prime (22100212241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050106124 + 11050106125.

It is an arithmetic number, because the mean of its divisors is an integer number (11050106125).

Almost surely, 2^22100212249 is an apocalyptic number.

It is an amenable number.

22100212249 is a deficient number, since it is larger than the sum of its proper divisors (1).

22100212249 is an equidigital number, since it uses as much as digits as its factorization.

22100212249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 22100212249 in words is "twenty-two billion, one hundred million, two hundred twelve thousand, two hundred forty-nine".