11223001 has 2 divisors, whose sum is σ = 11223002. Its totient is φ = 11223000.

The previous prime is 11222917. The next prime is 11223007. The reversal of 11223001 is 10032211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8549776 + 2673225 = 2924^2 + 1635^2 .

It is a cyclic number.

It is not a de Polignac number, because 11223001 - 2⁹ = 11222489 is a prime.

It is not a weakly prime, because it can be changed into another prime (11223007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611500 + 5611501.

It is an arithmetic number, because the mean of its divisors is an integer number (5611501).

Almost surely, 2^11223001 is an apocalyptic number.

It is an amenable number.

11223001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11223001 is an equidigital number, since it uses as much as digits as its factorization.

11223001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 11223001 is about 3350.0747752849. The cubic root of 11223001 is about 223.8908441913.

Adding to 11223001 its reverse (10032211), we get a palindrome (21255212).

The spelling of 11223001 in words is "eleven million, two hundred twenty-three thousand, one".