22136432 has 40 divisors (see below), whose sum is σ = 44163840. Its totient is φ = 10745280.

The previous prime is 22136417. The next prime is 22136437. The reversal of 22136432 is 23463122.

It is a junction number, because it is equal to n+sod(n) for n = 22136398 and 22136407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22136437) 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, 104807 + ... + 105017.

It is an arithmetic number, because the mean of its divisors is an integer number (1104096).

Almost surely, 2^22136432 is an apocalyptic number.

It is an amenable number.

22136432 is a deficient number, since it is larger than the sum of its proper divisors (22027408).

22136432 is a wasteful number, since it uses less digits than its factorization.

22136432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 375 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 22136432 is about 4704.9369815121. The cubic root of 22136432 is about 280.7819638148.

Adding to 22136432 its reverse (23463122), we get a palindrome (45599554).

The spelling of 22136432 in words is "twenty-two million, one hundred thirty-six thousand, four hundred thirty-two".