22203144992 has 162 divisors, whose sum is σ = 52566921729. Its totient is φ = 9204599040.

The previous prime is 22203144991. The next prime is 22203145009. The reversal of 22203144992 is 29944130222.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 21060975376 + 1142169616 = 145124^2 + 33796^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105364.

It is not an unprimeable number, because it can be changed into a prime (22203144991) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 312720317 + ... + 312720387.

Almost surely, 2^22203144992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22203144992

22203144992 is an abundant number, since it is smaller than the sum of its proper divisors (30363776737).

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

22203144992 is an frugal number, since it uses more digits than its factorization.

22203144992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 22203144992 in words is "twenty-two billion, two hundred three million, one hundred forty-four thousand, nine hundred ninety-two".