22314331220 has 12 divisors (see below), whose sum is σ = 46860095604. Its totient is φ = 8925732480.

The previous prime is 22314331163. The next prime is 22314331267. The reversal of 22314331220 is 2213341322.

It can be written as a sum of positive squares in 2 ways, for example, as 13375385104 + 8938946116 = 115652^2 + 94546^2 .

It is a super-3 number, since 3×22314331220³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557858261 + ... + 557858300.

It is an arithmetic number, because the mean of its divisors is an integer number (3905007967).

Almost surely, 2^22314331220 is an apocalyptic number.

22314331220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22314331220 is an abundant number, since it is smaller than the sum of its proper divisors (24545764384).

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

22314331220 is a wasteful number, since it uses less digits than its factorization.

22314331220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115716570 (or 1115716568 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 22314331220 its reverse (2213341322), we get a palindrome (24527672542).

The spelling of 22314331220 in words is "twenty-two billion, three hundred fourteen million, three hundred thirty-one thousand, two hundred twenty".