22213403 has 2 divisors, whose sum is σ = 22213404. Its totient is φ = 22213402.

The previous prime is 22213397. The next prime is 22213417. The reversal of 22213403 is 30431222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22213403 - 2²⁰ = 21164827 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22213463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106701 + 11106702.

It is an arithmetic number, because the mean of its divisors is an integer number (11106702).

Almost surely, 2^22213403 is an apocalyptic number.

22213403 is a deficient number, since it is larger than the sum of its proper divisors (1).

22213403 is an equidigital number, since it uses as much as digits as its factorization.

22213403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 22213403 is about 4713.1096953073. The cubic root of 22213403 is about 281.1070247456.

Adding to 22213403 its reverse (30431222), we get a palindrome (52644625).

The spelling of 22213403 in words is "twenty-two million, two hundred thirteen thousand, four hundred three".