1225223333 has 4 divisors (see below), whose sum is σ = 1227739680. Its totient is φ = 1222706988.

The previous prime is 1225223297. The next prime is 1225223339. The reversal of 1225223333 is 3333225221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1225223333 - 2¹⁰ = 1225222309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225223339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1257443 + ... + 1258416.

It is an arithmetic number, because the mean of its divisors is an integer number (306934920).

Almost surely, 2^1225223333 is an apocalyptic number.

It is an amenable number.

1225223333 is a deficient number, since it is larger than the sum of its proper divisors (2516347).

1225223333 is an equidigital number, since it uses as much as digits as its factorization.

1225223333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516346.

The product of its digits is 6480, while the sum is 26.

The square root of 1225223333 is about 35003.1903260260. The cubic root of 1225223333 is about 1070.0525006993.

Adding to 1225223333 its reverse (3333225221), we get a palindrome (4558448554).

The spelling of 1225223333 in words is "one billion, two hundred twenty-five million, two hundred twenty-three thousand, three hundred thirty-three".