22469316840 has 256 divisors, whose sum is σ = 79447392000. Its totient is φ = 5629132800.

The previous prime is 22469316833. The next prime is 22469316887. The reversal of 22469316840 is 4861396422.

22469316840 is a `hidden beast` number, since 22 + 469 + 3 + 168 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18708240 + ... + 18709440.

It is an arithmetic number, because the mean of its divisors is an integer number (310341375).

Almost surely, 2^22469316840 is an apocalyptic number.

22469316840 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 22469316840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39723696000).

22469316840 is an abundant number, since it is smaller than the sum of its proper divisors (56978075160).

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

22469316840 is a wasteful number, since it uses less digits than its factorization.

22469316840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257 (or 2247 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 22469316840 in words is "twenty-two billion, four hundred sixty-nine million, three hundred sixteen thousand, eight hundred forty".