332144421 has 8 divisors (see below), whose sum is σ = 506124864. Its totient is φ = 189796800.

The previous prime is 332144413. The next prime is 332144437. The reversal of 332144421 is 124441233.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 332144421 - 2³ = 332144413 is a prime.

It is a super-4 number, since 4×332144421⁴ (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 332144391 and 332144400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332144411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7908180 + ... + 7908221.

It is an arithmetic number, because the mean of its divisors is an integer number (63265608).

Almost surely, 2^332144421 is an apocalyptic number.

It is an amenable number.

332144421 is a deficient number, since it is larger than the sum of its proper divisors (173980443).

332144421 is a wasteful number, since it uses less digits than its factorization.

332144421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15816411.

The product of its digits is 2304, while the sum is 24.

The square root of 332144421 is about 18224.8297934439. The cubic root of 332144421 is about 692.5359465586.

Adding to 332144421 its reverse (124441233), we get a palindrome (456585654).

The spelling of 332144421 in words is "three hundred thirty-two million, one hundred forty-four thousand, four hundred twenty-one".