2122315465 has 8 divisors (see below), whose sum is σ = 2549308680. Its totient is φ = 1696165632.

The previous prime is 2122315463. The next prime is 2122315511. The reversal of 2122315465 is 5645132212.

It can be written as a sum of positive squares in 4 ways, for example, as 170354704 + 1951960761 = 13052^2 + 44181^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2122315465 - 2¹ = 2122315463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122315463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205294 + ... + 215383.

It is an arithmetic number, because the mean of its divisors is an integer number (318663585).

Almost surely, 2^2122315465 is an apocalyptic number.

It is an amenable number.

2122315465 is a deficient number, since it is larger than the sum of its proper divisors (426993215).

2122315465 is a wasteful number, since it uses less digits than its factorization.

2122315465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421691.

The product of its digits is 14400, while the sum is 31.

The square root of 2122315465 is about 46068.5952140935. The cubic root of 2122315465 is about 1285.0991793122.

Adding to 2122315465 its reverse (5645132212), we get a palindrome (7767447677).

The spelling of 2122315465 in words is "two billion, one hundred twenty-two million, three hundred fifteen thousand, four hundred sixty-five".