1325011222 has 4 divisors (see below), whose sum is σ = 1987516836. Its totient is φ = 662505610.

The previous prime is 1325011217. The next prime is 1325011241. The reversal of 1325011222 is 2221105231.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1325011222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331252804 + ... + 331252807.

It is an arithmetic number, because the mean of its divisors is an integer number (496879209).

Almost surely, 2^1325011222 is an apocalyptic number.

1325011222 is a deficient number, since it is larger than the sum of its proper divisors (662505614).

1325011222 is an equidigital number, since it uses as much as digits as its factorization.

1325011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662505613.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1325011222 is about 36400.7035921011. The cubic root of 1325011222 is about 1098.3477182909.

Adding to 1325011222 its reverse (2221105231), we get a palindrome (3546116453).

The spelling of 1325011222 in words is "one billion, three hundred twenty-five million, eleven thousand, two hundred twenty-two".