22419454752 has 270 divisors, whose sum is σ = 70448876883. Its totient is φ = 6992898048.

The previous prime is 22419454741. The next prime is 22419454753. The reversal of 22419454752 is 25745491422.

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 5 ways, for example, as 22417276176 + 2178576 = 149724^2 + 1476^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105876.

It is a junction number, because it is equal to n+sod(n) for n = 22419454698 and 22419454707.

It is not an unprimeable number, because it can be changed into a prime (22419454753) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 129592138 + ... + 129592310.

Almost surely, 2^22419454752 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 22419454752

22419454752 is an abundant number, since it is smaller than the sum of its proper divisors (48029422131).

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

22419454752 is an equidigital number, since it uses as much as digits as its factorization.

22419454752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 195 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The spelling of 22419454752 in words is "twenty-two billion, four hundred nineteen million, four hundred fifty-four thousand, seven hundred fifty-two".