22132605 has 32 divisors (see below), whose sum is σ = 39886848. Its totient is φ = 10382400.

The previous prime is 22132603. The next prime is 22132613. The reversal of 22132605 is 50623122.

It is not a de Polignac number, because 22132605 - 2¹ = 22132603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22132603) 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, 2952 + ... + 7278.

It is an arithmetic number, because the mean of its divisors is an integer number (1246464).

Almost surely, 2^22132605 is an apocalyptic number.

It is an amenable number.

22132605 is a deficient number, since it is larger than the sum of its proper divisors (17754243).

22132605 is a wasteful number, since it uses less digits than its factorization.

22132605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4377.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 22132605 is about 4704.5302634801. The cubic root of 22132605 is about 280.7657821268.

Adding to 22132605 its reverse (50623122), we get a palindrome (72755727).

The spelling of 22132605 in words is "twenty-two million, one hundred thirty-two thousand, six hundred five".