22664203 has 2 divisors, whose sum is σ = 22664204. Its totient is φ = 22664202.

The previous prime is 22664197. The next prime is 22664219. The reversal of 22664203 is 30246622.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22664203 - 2⁹ = 22663691 is a prime.

It is not a weakly prime, because it can be changed into another prime (22664273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11332101 + 11332102.

It is an arithmetic number, because the mean of its divisors is an integer number (11332102).

Almost surely, 2^22664203 is an apocalyptic number.

22664203 is a deficient number, since it is larger than the sum of its proper divisors (1).

22664203 is an equidigital number, since it uses as much as digits as its factorization.

22664203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 22664203 is about 4760.6935419117. The cubic root of 22664203 is about 282.9959044969.

It can be divided in two parts, 22 and 664203, that added together give a square (664225 = 815²).

The spelling of 22664203 in words is "twenty-two million, six hundred sixty-four thousand, two hundred three".