1325522233 has 4 divisors (see below), whose sum is σ = 1514882560. Its totient is φ = 1136161908.

The previous prime is 1325522207. The next prime is 1325522239. The reversal of 1325522233 is 3322255231.

It is a happy number.

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 not a de Polignac number, because 1325522233 - 2⁹ = 1325521721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1325522239) 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, 94680153 + ... + 94680166.

It is an arithmetic number, because the mean of its divisors is an integer number (378720640).

Almost surely, 2^1325522233 is an apocalyptic number.

It is an amenable number.

1325522233 is a deficient number, since it is larger than the sum of its proper divisors (189360327).

1325522233 is an equidigital number, since it uses as much as digits as its factorization.

1325522233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189360326.

The product of its digits is 10800, while the sum is 28.

The square root of 1325522233 is about 36407.7221616514. The cubic root of 1325522233 is about 1098.4888983851.

Adding to 1325522233 its reverse (3322255231), we get a palindrome (4647777464).

The spelling of 1325522233 in words is "one billion, three hundred twenty-five million, five hundred twenty-two thousand, two hundred thirty-three".