20221132 has 6 divisors (see below), whose sum is σ = 35386988.
Its totient is φ = 10110564.
The previous prime is 20221127. The next prime is 20221133. The reversal of 20221132 is 23112202.
It is a super-2 number, since 2×202211322 = 817788358722848, which contains 22 as substring.
It is a plaindrome in base 16.
It is not an unprimeable number, because it can be changed into a prime (20221133) 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 as a sum of consecutive naturals, namely, 2527638 + ... + 2527645.
Almost surely, 220221132 is an apocalyptic number.
It is an amenable number.
20221132 is a deficient number, since it is larger than the sum of its proper divisors (15165856).
20221132 is a wasteful number, since it uses less digits than its factorization.
20221132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5055287 (or 5055285 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 20221132 is about 4496.7913004719.
The cubic root of 20221132 is about 272.4385047666.
Adding to 20221132 its reverse (23112202), we get a palindrome (43333334).
The spelling of 20221132 in words is "twenty million, two hundred twenty-one thousand, one hundred thirty-two".