22321150993 has 2 divisors, whose sum is σ = 22321150994. Its totient is φ = 22321150992.

The previous prime is 22321150979. The next prime is 22321151009. The reversal of 22321150993 is 39905112322.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22258551249 + 62599744 = 149193^2 + 7912^2 .

It is a cyclic number.

It is not a de Polignac number, because 22321150993 - 2²⁹ = 21784280081 is a prime.

It is a super-3 number, since 3×22321150993³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (22321150903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11160575496 + 11160575497.

It is an arithmetic number, because the mean of its divisors is an integer number (11160575497).

Almost surely, 2^22321150993 is an apocalyptic number.

It is an amenable number.

22321150993 is a deficient number, since it is larger than the sum of its proper divisors (1).

22321150993 is an equidigital number, since it uses as much as digits as its factorization.

22321150993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 37.

The spelling of 22321150993 in words is "twenty-two billion, three hundred twenty-one million, one hundred fifty thousand, nine hundred ninety-three".