332601421 has 4 divisors (see below), whose sum is σ = 332843644. Its totient is φ = 332359200.

The previous prime is 332601397. The next prime is 332601461. The reversal of 332601421 is 124106233.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 124106233 = 19 ⋅6531907.

It can be written as a sum of positive squares in 2 ways, for example, as 170955625 + 161645796 = 13075^2 + 12714^2 .

It is a cyclic number.

It is not a de Polignac number, because 332601421 - 2⁷ = 332601293 is a prime.

It is a super-2 number, since 2×332601421² = 221247410502438482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 332601392 and 332601401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332601461) 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, 119040 + ... + 121801.

It is an arithmetic number, because the mean of its divisors is an integer number (83210911).

Almost surely, 2^332601421 is an apocalyptic number.

It is an amenable number.

332601421 is a deficient number, since it is larger than the sum of its proper divisors (242223).

332601421 is a wasteful number, since it uses less digits than its factorization.

332601421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242222.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 332601421 is about 18237.3633236825. The cubic root of 332601421 is about 692.8534227981.

Adding to 332601421 its reverse (124106233), we get a palindrome (456707654).

The spelling of 332601421 in words is "three hundred thirty-two million, six hundred one thousand, four hundred twenty-one".