22902219648 has 576 divisors, whose sum is σ = 85373608320. Its totient is φ = 5724794880.

The previous prime is 22902219581. The next prime is 22902219671. The reversal of 22902219648 is 84691220922.

It is a tau number, because it is divible by the number of its divisors (576).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 74599911 + ... + 74600217.

It is an arithmetic number, because the mean of its divisors is an integer number (148218070).

Almost surely, 2^22902219648 is an apocalyptic number.

22902219648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22902219648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42686804160).

22902219648 is an abundant number, since it is smaller than the sum of its proper divisors (62471388672).

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

22902219648 is a wasteful number, since it uses less digits than its factorization.

22902219648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 22902219648 in words is "twenty-two billion, nine hundred two million, two hundred nineteen thousand, six hundred forty-eight".