22148617899 has 16 divisors (see below), whose sum is σ = 29842942752. Its totient is φ = 14610091008.

The previous prime is 22148617871. The next prime is 22148617919. The reversal of 22148617899 is 99871684122.

It is a de Polignac number, because none of the positive numbers 2^k-22148617899 is a prime.

It is a super-2 number, since 2×22148617899² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22148617819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2035357 + ... + 2046209.

It is an arithmetic number, because the mean of its divisors is an integer number (1865183922).

Almost surely, 2^22148617899 is an apocalyptic number.

22148617899 is a deficient number, since it is larger than the sum of its proper divisors (7694324853).

22148617899 is a wasteful number, since it uses less digits than its factorization.

22148617899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17966.

The product of its digits is 3483648, while the sum is 57.

The spelling of 22148617899 in words is "twenty-two billion, one hundred forty-eight million, six hundred seventeen thousand, eight hundred ninety-nine".