22001057514 has 80 divisors (see below), whose sum is σ = 52285939200. Its totient is φ = 6899761440.

The previous prime is 22001057513. The next prime is 22001057527. The reversal of 22001057514 is 41575010022.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22001057513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 178887 + ... + 275685.

It is an arithmetic number, because the mean of its divisors is an integer number (653574240).

Almost surely, 2^22001057514 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22001057514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26142969600).

22001057514 is an abundant number, since it is smaller than the sum of its proper divisors (30284881686).

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

22001057514 is a wasteful number, since it uses less digits than its factorization.

22001057514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96897 (or 96888 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

Adding to 22001057514 its reverse (41575010022), we get a palindrome (63576067536).

The spelling of 22001057514 in words is "twenty-two billion, one million, fifty-seven thousand, five hundred fourteen".