332412421 has 4 divisors (see below), whose sum is σ = 362631744. Its totient is φ = 302193100.

The previous prime is 332412397. The next prime is 332412469. The reversal of 332412421 is 124214233.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 332412421 - 2⁷ = 332412293 is a prime.

It is a super-3 number, since 3×332412421³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 332412392 and 332412401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332412221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15109645 + ... + 15109666.

It is an arithmetic number, because the mean of its divisors is an integer number (90657936).

Almost surely, 2^332412421 is an apocalyptic number.

It is an amenable number.

332412421 is a deficient number, since it is larger than the sum of its proper divisors (30219323).

332412421 is a wasteful number, since it uses less digits than its factorization.

332412421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30219322.

The product of its digits is 1152, while the sum is 22.

The square root of 332412421 is about 18232.1809172682. The cubic root of 332412421 is about 692.7221604719.

Adding to 332412421 its reverse (124214233), we get a palindrome (456626654).

The spelling of 332412421 in words is "three hundred thirty-two million, four hundred twelve thousand, four hundred twenty-one".