22286719840 has 192 divisors, whose sum is σ = 69506615808. Its totient is φ = 6537830400.

The previous prime is 22286719811. The next prime is 22286719867. The reversal of 22286719840 is 4891768222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156235 + ... + 262645.

It is an arithmetic number, because the mean of its divisors is an integer number (362013624).

Almost surely, 2^22286719840 is an apocalyptic number.

22286719840 is a gapful number since it is divisible by the number (20) 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 22286719840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34753307904).

22286719840 is an abundant number, since it is smaller than the sum of its proper divisors (47219895968).

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

22286719840 is a wasteful number, since it uses less digits than its factorization.

22286719840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106461 (or 106453 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 22286719840 in words is "twenty-two billion, two hundred eighty-six million, seven hundred nineteen thousand, eight hundred forty".