22131852 has 24 divisors (see below), whose sum is σ = 51744000. Its totient is φ = 7362576.

The previous prime is 22131847. The next prime is 22131853. The reversal of 22131852 is 25813122.

It is not an unprimeable number, because it can be changed into a prime (22131853) 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 7 ways as a sum of consecutive naturals, for example, 5649 + ... + 8727.

It is an arithmetic number, because the mean of its divisors is an integer number (2156000).

Almost surely, 2^22131852 is an apocalyptic number.

It is an amenable number.

22131852 is an abundant number, since it is smaller than the sum of its proper divisors (29612148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22131852 is a wasteful number, since it uses less digits than its factorization.

22131852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685 (or 3683 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 22131852 is about 4704.4502335555. The cubic root of 22131852 is about 280.7625980005.

Adding to 22131852 its reverse (25813122), we get a palindrome (47944974).

The spelling of 22131852 in words is "twenty-two million, one hundred thirty-one thousand, eight hundred fifty-two".