22000001332 has 6 divisors (see below), whose sum is σ = 38500002338. Its totient is φ = 11000000664.

The previous prime is 22000001293. The next prime is 22000001341. The reversal of 22000001332 is 23310000022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19634735376 + 2365265956 = 140124^2 + 48634^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750000163 + ... + 2750000170.

Almost surely, 2^22000001332 is an apocalyptic number.

It is an amenable number.

22000001332 is a deficient number, since it is larger than the sum of its proper divisors (16500001006).

22000001332 is a wasteful number, since it uses less digits than its factorization.

22000001332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500000337 (or 5500000335 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 22000001332 its reverse (23310000022), we get a palindrome (45310001354).

The spelling of 22000001332 in words is "twenty-two billion, one thousand, three hundred thirty-two".