22263636997 has 8 divisors (see below), whose sum is σ = 25445153600. Its totient is φ = 19082369664.

The previous prime is 22263636959. The next prime is 22263637021. The reversal of 22263636997 is 79963636222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22263636997 - 2⁷ = 22263636869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22263636907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206254 + ... + 295072.

It is an arithmetic number, because the mean of its divisors is an integer number (3180644200).

Almost surely, 2^22263636997 is an apocalyptic number.

It is an amenable number.

22263636997 is a deficient number, since it is larger than the sum of its proper divisors (3181516603).

22263636997 is an equidigital number, since it uses as much as digits as its factorization.

22263636997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124635.

The product of its digits is 8817984, while the sum is 55.

The spelling of 22263636997 in words is "twenty-two billion, two hundred sixty-three million, six hundred thirty-six thousand, nine hundred ninety-seven".