332421448 has 8 divisors (see below), whose sum is σ = 623290230. Its totient is φ = 166210720.

The previous prime is 332421421. The next prime is 332421449. The reversal of 332421448 is 844124233.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 299220804 + 33200644 = 17298^2 + 5762^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×332421448² = 221008038180833408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (332421449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20776333 + ... + 20776348.

Almost surely, 2^332421448 is an apocalyptic number.

It is an amenable number.

332421448 is a deficient number, since it is larger than the sum of its proper divisors (290868782).

332421448 is a wasteful number, since it uses less digits than its factorization.

332421448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41552687 (or 41552683 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

The square root of 332421448 is about 18232.4284723676. The cubic root of 332421448 is about 692.7284309419.

The spelling of 332421448 in words is "three hundred thirty-two million, four hundred twenty-one thousand, four hundred forty-eight".