22232232420 has 48 divisors (see below), whose sum is σ = 62354275200. Its totient is φ = 5918688256.

The previous prime is 22232232419. The next prime is 22232232431. The reversal of 22232232420 is 2423223222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273357 + ... + 345236.

It is an arithmetic number, because the mean of its divisors is an integer number (1299047400).

Almost surely, 2^22232232420 is an apocalyptic number.

22232232420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22232232420 is an abundant number, since it is smaller than the sum of its proper divisors (40122042780).

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

22232232420 is a wasteful number, since it uses less digits than its factorization.

22232232420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619204 (or 619202 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 22232232420 its reverse (2423223222), we get a palindrome (24655455642).

The spelling of 22232232420 in words is "twenty-two billion, two hundred thirty-two million, two hundred thirty-two thousand, four hundred twenty".