20221223332 has 48 divisors (see below), whose sum is σ = 36090558000. Its totient is φ = 9912153600.

The previous prime is 20221223311. The next prime is 20221223383. The reversal of 20221223332 is 23332212202.

It can be written as a sum of positive squares in 8 ways, for example, as 8249362276 + 11971861056 = 90826^2 + 109416^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24391894 + ... + 24392722.

It is an arithmetic number, because the mean of its divisors is an integer number (751886625).

Almost surely, 2^20221223332 is an apocalyptic number.

It is an amenable number.

20221223332 is a deficient number, since it is larger than the sum of its proper divisors (15869334668).

20221223332 is a wasteful number, since it uses less digits than its factorization.

20221223332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456 (or 1454 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20221223332 its reverse (23332212202), we get a palindrome (43553435534).

The spelling of 20221223332 in words is "twenty billion, two hundred twenty-one million, two hundred twenty-three thousand, three hundred thirty-two".