22021230160 has 80 divisors (see below), whose sum is σ = 54341267472. Its totient is φ = 8270438400.

The previous prime is 22021230157. The next prime is 22021230163. The reversal of 22021230160 is 6103212022.

It is an interprime number because it is at equal distance from previous prime (22021230157) and next prime (22021230163).

It can be written as a sum of positive squares in 8 ways, for example, as 4336485904 + 17684744256 = 65852^2 + 132984^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021230163) 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, 553330 + ... + 591790.

Almost surely, 2^22021230160 is an apocalyptic number.

22021230160 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 22021230160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27170633736).

22021230160 is an abundant number, since it is smaller than the sum of its proper divisors (32320037312).

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

22021230160 is a wasteful number, since it uses less digits than its factorization.

22021230160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38912 (or 38906 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22021230160 its reverse (6103212022), we get a palindrome (28124442182).

The spelling of 22021230160 in words is "twenty-two billion, twenty-one million, two hundred thirty thousand, one hundred sixty".