22220031332 has 12 divisors (see below), whose sum is σ = 38911180140. Its totient is φ = 11102551296.

The previous prime is 22220031331. The next prime is 22220031347. The reversal of 22220031332 is 23313002222.

It can be written as a sum of positive squares in 2 ways, for example, as 15796970596 + 6423060736 = 125686^2 + 80144^2 .

It is not an unprimeable number, because it can be changed into a prime (22220031331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1859393 + ... + 1871304.

It is an arithmetic number, because the mean of its divisors is an integer number (3242598345).

Almost surely, 2^22220031332 is an apocalyptic number.

It is an amenable number.

22220031332 is a deficient number, since it is larger than the sum of its proper divisors (16691148808).

22220031332 is a wasteful number, since it uses less digits than its factorization.

22220031332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3732190 (or 3732188 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 22220031332 its reverse (23313002222), we get a palindrome (45533033554).

The spelling of 22220031332 in words is "twenty-two billion, two hundred twenty million, thirty-one thousand, three hundred thirty-two".