22555223040 has 704 divisors, whose sum is σ = 87232462848. Its totient is φ = 4866048000.

The previous prime is 22555223029. The next prime is 22555223083. The reversal of 22555223040 is 4032255522.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 22555222989 and 22555223007.

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, 223318990 + ... + 223319090.

Almost surely, 2^22555223040 is an apocalyptic number.

22555223040 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 22555223040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43616231424).

22555223040 is an abundant number, since it is smaller than the sum of its proper divisors (64677239808).

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

22555223040 is a wasteful number, since it uses less digits than its factorization.

22555223040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

Adding to 22555223040 its reverse (4032255522), we get a palindrome (26587478562).

The spelling of 22555223040 in words is "twenty-two billion, five hundred fifty-five million, two hundred twenty-three thousand, forty".