222323209903 has 2 divisors, whose sum is σ = 222323209904. Its totient is φ = 222323209902.

The previous prime is 222323209883. The next prime is 222323209939. The reversal of 222323209903 is 309902323222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222323209903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222323209973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111161604951 + 111161604952.

It is an arithmetic number, because the mean of its divisors is an integer number (111161604952).

Almost surely, 2^222323209903 is an apocalyptic number.

222323209903 is a deficient number, since it is larger than the sum of its proper divisors (1).

222323209903 is an equidigital number, since it uses as much as digits as its factorization.

222323209903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 37.

The spelling of 222323209903 in words is "two hundred twenty-two billion, three hundred twenty-three million, two hundred nine thousand, nine hundred three".