222036403 has 2 divisors, whose sum is σ = 222036404. Its totient is φ = 222036402.

The previous prime is 222036349. The next prime is 222036407. The reversal of 222036403 is 304630222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222036403 - 2²⁵ = 188481971 is a prime.

It is not a weakly prime, because it can be changed into another prime (222036407) 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, 111018201 + 111018202.

It is an arithmetic number, because the mean of its divisors is an integer number (111018202).

Almost surely, 2^222036403 is an apocalyptic number.

222036403 is a deficient number, since it is larger than the sum of its proper divisors (1).

222036403 is an equidigital number, since it uses as much as digits as its factorization.

222036403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 222036403 is about 14900.8859803704. The cubic root of 222036403 is about 605.5379892307.

Adding to 222036403 its reverse (304630222), we get a palindrome (526666625).

The spelling of 222036403 in words is "two hundred twenty-two million, thirty-six thousand, four hundred three".