22201903 has 2 divisors, whose sum is σ = 22201904. Its totient is φ = 22201902.

The previous prime is 22201891. The next prime is 22201909. The reversal of 22201903 is 30910222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22201903 - 2⁹ = 22201391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22201909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100951 + 11100952.

It is an arithmetic number, because the mean of its divisors is an integer number (11100952).

Almost surely, 2^22201903 is an apocalyptic number.

22201903 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201903 is an equidigital number, since it uses as much as digits as its factorization.

22201903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 22201903 is about 4711.8895360566. The cubic root of 22201903 is about 281.0585061580.

It can be divided in two parts, 22201 and 903, that added together give a square (23104 = 152²).

The spelling of 22201903 in words is "twenty-two million, two hundred one thousand, nine hundred three".