22132305 has 32 divisors (see below), whose sum is σ = 42376320. Its totient is φ = 10895040.

The previous prime is 22132301. The next prime is 22132309. The reversal of 22132305 is 50323122.

It is an interprime number because it is at equal distance from previous prime (22132301) and next prime (22132309).

It is not a de Polignac number, because 22132305 - 2² = 22132301 is a prime.

It is a super-2 number, since 2×22132305² = 979677849226050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22132301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4551 + ... + 8060.

It is an arithmetic number, because the mean of its divisors is an integer number (1324260).

Almost surely, 2^22132305 is an apocalyptic number.

It is an amenable number.

22132305 is a deficient number, since it is larger than the sum of its proper divisors (20244015).

22132305 is a wasteful number, since it uses less digits than its factorization.

22132305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12638 (or 12632 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 22132305 is about 4704.4983792111. The cubic root of 22132305 is about 280.7645135592.

Adding to 22132305 its reverse (50323122), we get a palindrome (72455427).

The spelling of 22132305 in words is "twenty-two million, one hundred thirty-two thousand, three hundred five".