332421405 has 8 divisors (see below), whose sum is σ = 531874272. Its totient is φ = 177291408.

The previous prime is 332421389. The next prime is 332421409. The reversal of 332421405 is 504124233.

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

It is not a de Polignac number, because 332421405 - 2⁴ = 332421389 is a prime.

It is a super-2 number, since 2×332421405² = 221007981004348050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332421409) 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, 11080699 + ... + 11080728.

It is an arithmetic number, because the mean of its divisors is an integer number (66484284).

Almost surely, 2^332421405 is an apocalyptic number.

It is an amenable number.

332421405 is a deficient number, since it is larger than the sum of its proper divisors (199452867).

332421405 is a wasteful number, since it uses less digits than its factorization.

332421405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22161435.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 332421405 is about 18232.4272931500. The cubic root of 332421405 is about 692.7284010729.

Adding to 332421405 its reverse (504124233), we get a palindrome (836545638).

The spelling of 332421405 in words is "three hundred thirty-two million, four hundred twenty-one thousand, four hundred five".