20222432 has 24 divisors (see below), whose sum is σ = 40067496. Its totient is φ = 10046592.

The previous prime is 20222413. The next prime is 20222437. The reversal of 20222432 is 23422202.

It is a self number, because there is not a number n which added to its sum of digits gives 20222432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3278 + ... + 7154.

It is an arithmetic number, because the mean of its divisors is an integer number (1669479).

Almost surely, 2^20222432 is an apocalyptic number.

It is an amenable number.

20222432 is a deficient number, since it is larger than the sum of its proper divisors (19845064).

20222432 is a wasteful number, since it uses less digits than its factorization.

20222432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4050 (or 4042 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 20222432 is about 4496.9358456620. The cubic root of 20222432 is about 272.4443429242. Note that the first 3 decimals are identical.

Adding to 20222432 its reverse (23422202), we get a palindrome (43644634).

The spelling of 20222432 in words is "twenty million, two hundred twenty-two thousand, four hundred thirty-two".