22032221330 has 96 divisors (see below), whose sum is σ = 48149400240. Its totient is φ = 7228354560.

The previous prime is 22032221329. The next prime is 22032221369. The reversal of 22032221330 is 3312223022.

It can be written as a sum of positive squares in 8 ways, for example, as 1301117041 + 20731104289 = 36071^2 + 143983^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1598870 + ... + 1612590.

Almost surely, 2^22032221330 is an apocalyptic number.

22032221330 is an abundant number, since it is smaller than the sum of its proper divisors (26117178910).

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

22032221330 is a wasteful number, since it uses less digits than its factorization.

22032221330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13884 (or 13877 counting only the distinct ones).

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

Adding to 22032221330 its reverse (3312223022), we get a palindrome (25344444352).

The spelling of 22032221330 in words is "twenty-two billion, thirty-two million, two hundred twenty-one thousand, three hundred thirty".