332221000 has 32 divisors (see below), whose sum is σ = 777399480. Its totient is φ = 132888000.

The previous prime is 332220943. The next prime is 332221009. The reversal of 332221000 is 122233.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 159719044 + 172501956 = 12638^2 + 13134^2 .

It is a super-2 number, since 2×332221000² = 220741585682000000, which contains 22 as substring.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (332221009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165111 + ... + 167110.

Almost surely, 2^332221000 is an apocalyptic number.

It is an amenable number.

332221000 is an abundant number, since it is smaller than the sum of its proper divisors (445178480).

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

332221000 is a wasteful number, since it uses less digits than its factorization.

332221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332242 (or 332228 counting only the distinct ones).

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

The square root of 332221000 is about 18226.9306247651. The cubic root of 332221000 is about 692.5891660133.

Adding to 332221000 its reverse (122233), we get a palindrome (332343233).

The spelling of 332221000 in words is "three hundred thirty-two million, two hundred twenty-one thousand".