22173572903 has 2 divisors, whose sum is σ = 22173572904. Its totient is φ = 22173572902.

The previous prime is 22173572851. The next prime is 22173572933. The reversal of 22173572903 is 30927537122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22173572903 - 2²⁰ = 22172524327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22173572933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11086786451 + 11086786452.

It is an arithmetic number, because the mean of its divisors is an integer number (11086786452).

Almost surely, 2^22173572903 is an apocalyptic number.

22173572903 is a deficient number, since it is larger than the sum of its proper divisors (1).

22173572903 is an equidigital number, since it uses as much as digits as its factorization.

22173572903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 41.

The spelling of 22173572903 in words is "twenty-two billion, one hundred seventy-three million, five hundred seventy-two thousand, nine hundred three".