22145199983 has 2 divisors, whose sum is σ = 22145199984. Its totient is φ = 22145199982.

The previous prime is 22145199977. The next prime is 22145200001. The reversal of 22145199983 is 38999154122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22145199983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22145199943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11072599991 + 11072599992.

It is an arithmetic number, because the mean of its divisors is an integer number (11072599992).

Almost surely, 2^22145199983 is an apocalyptic number.

22145199983 is a deficient number, since it is larger than the sum of its proper divisors (1).

22145199983 is an equidigital number, since it uses as much as digits as its factorization.

22145199983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 53.

The spelling of 22145199983 in words is "twenty-two billion, one hundred forty-five million, one hundred ninety-nine thousand, nine hundred eighty-three".