332220144 has 40 divisors (see below), whose sum is σ = 860619520. Its totient is φ = 110432448.

The previous prime is 332220131. The next prime is 332220167. The reversal of 332220144 is 441022233.

It is a super-2 number, since 2×332220144² = 220740448158761472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 332220144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8187 + ... + 27045.

It is an arithmetic number, because the mean of its divisors is an integer number (21515488).

Almost surely, 2^332220144 is an apocalyptic number.

It is an amenable number.

332220144 is an abundant number, since it is smaller than the sum of its proper divisors (528399376).

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

332220144 is a wasteful number, since it uses less digits than its factorization.

332220144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19237 (or 19231 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 332220144 is about 18226.9071430125. The cubic root of 332220144 is about 692.5885711715.

Adding to 332220144 its reverse (441022233), we get a palindrome (773242377).

The spelling of 332220144 in words is "three hundred thirty-two million, two hundred twenty thousand, one hundred forty-four".