11322538 has 8 divisors (see below), whose sum is σ = 17072388. Its totient is φ = 5631744.

The previous prime is 11322529. The next prime is 11322539. The reversal of 11322538 is 83522311.

It can be written as a sum of positive squares in 2 ways, for example, as 11309769 + 12769 = 3363^2 + 113^2 .

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

It is a super-2 number, since 2×11322538² = 256399733522888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11322539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14281 + ... + 15052.

Almost surely, 2^11322538 is an apocalyptic number.

11322538 is a deficient number, since it is larger than the sum of its proper divisors (5749850).

11322538 is a wasteful number, since it uses less digits than its factorization.

11322538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29528.

The product of its digits is 1440, while the sum is 25.

The square root of 11322538 is about 3364.8979182139. The cubic root of 11322538 is about 224.5507943062.

Adding to 11322538 its reverse (83522311), we get a palindrome (94844849).

The spelling of 11322538 in words is "eleven million, three hundred twenty-two thousand, five hundred thirty-eight".