22403234880 has 672 divisors, whose sum is σ = 87237417600. Its totient is φ = 5408612352.

The previous prime is 22403234809. The next prime is 22403234897. The reversal of 22403234880 is 8843230422.

It is a happy number.

It is a super-2 number, since 2×22403234880² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 97830606 + ... + 97830834.

Almost surely, 2^22403234880 is an apocalyptic number.

22403234880 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 22403234880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43618708800).

22403234880 is an abundant number, since it is smaller than the sum of its proper divisors (64834182720).

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

22403234880 is a wasteful number, since it uses less digits than its factorization.

22403234880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The spelling of 22403234880 in words is "twenty-two billion, four hundred three million, two hundred thirty-four thousand, eight hundred eighty".