22132145 has 8 divisors (see below), whose sum is σ = 30352704. Its totient is φ = 15176304.

The previous prime is 22132127. The next prime is 22132151. The reversal of 22132145 is 54123122.

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 22132145 - 2¹⁴ = 22115761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316139 + ... + 316208.

It is an arithmetic number, because the mean of its divisors is an integer number (3794088).

Almost surely, 2^22132145 is an apocalyptic number.

It is an amenable number.

22132145 is a deficient number, since it is larger than the sum of its proper divisors (8220559).

22132145 is an equidigital number, since it uses as much as digits as its factorization.

22132145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632359.

The product of its digits is 480, while the sum is 20.

The square root of 22132145 is about 4704.4813741793. The cubic root of 22132145 is about 280.7638369852.

Adding to 22132145 its reverse (54123122), we get a palindrome (76255267).

The spelling of 22132145 in words is "twenty-two million, one hundred thirty-two thousand, one hundred forty-five".