1345331522 has 8 divisors (see below), whose sum is σ = 2018153676. Its totient is φ = 672613632.

The previous prime is 1345331503. The next prime is 1345331549. The reversal of 1345331522 is 2251335431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1302415921 + 42915601 = 36089^2 + 6551^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32618 + ... + 61274.

Almost surely, 2^1345331522 is an apocalyptic number.

1345331522 is a deficient number, since it is larger than the sum of its proper divisors (672822154).

1345331522 is a wasteful number, since it uses less digits than its factorization.

1345331522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52132.

The product of its digits is 10800, while the sum is 29.

The square root of 1345331522 is about 36678.7611840967. The cubic root of 1345331522 is about 1103.9339915594.

Adding to 1345331522 its reverse (2251335431), we get a palindrome (3596666953).

The spelling of 1345331522 in words is "one billion, three hundred forty-five million, three hundred thirty-one thousand, five hundred twenty-two".