1322665345 has 8 divisors (see below), whose sum is σ = 1587516840. Its totient is φ = 1057920000.

The previous prime is 1322665327. The next prime is 1322665349. The reversal of 1322665345 is 5435662231.

It can be written as a sum of positive squares in 4 ways, for example, as 49674304 + 1272991041 = 7048^2 + 35679^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1322665345 - 2¹¹ = 1322663297 is a prime.

It is a super-2 number, since 2×1322665345² = 3498887229727938050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1322665349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4095 + ... + 51595.

It is an arithmetic number, because the mean of its divisors is an integer number (198439605).

Almost surely, 2^1322665345 is an apocalyptic number.

It is an amenable number.

1322665345 is a deficient number, since it is larger than the sum of its proper divisors (264851495).

1322665345 is an equidigital number, since it uses as much as digits as its factorization.

1322665345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53075.

The product of its digits is 129600, while the sum is 37.

The square root of 1322665345 is about 36368.4663547970. The cubic root of 1322665345 is about 1097.6991424686.

The spelling of 1322665345 in words is "one billion, three hundred twenty-two million, six hundred sixty-five thousand, three hundred forty-five".