22450011320 has 64 divisors (see below), whose sum is σ = 55262844000. Its totient is φ = 8140193280.

The previous prime is 22450011319. The next prime is 22450011329. The reversal of 22450011320 is 2311005422.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22450011292 and 22450011301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22450011329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80462 + ... + 226658.

Almost surely, 2^22450011320 is an apocalyptic number.

22450011320 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 22450011320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27631422000).

22450011320 is an abundant number, since it is smaller than the sum of its proper divisors (32812832680).

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

22450011320 is a wasteful number, since it uses less digits than its factorization.

22450011320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146568 (or 146564 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 22450011320 its reverse (2311005422), we get a palindrome (24761016742).

The spelling of 22450011320 in words is "twenty-two billion, four hundred fifty million, eleven thousand, three hundred twenty".