202332421 has 8 divisors (see below), whose sum is σ = 205594200. Its totient is φ = 199084032.

The previous prime is 202332407. The next prime is 202332433. The reversal of 202332421 is 124233202.

It can be written as a sum of positive squares in 4 ways, for example, as 3663396 + 198669025 = 1914^2 + 14095^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 202332421 - 2¹⁵ = 202299653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202332451) 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, 29691 + ... + 35863.

It is an arithmetic number, because the mean of its divisors is an integer number (25699275).

Almost surely, 2^202332421 is an apocalyptic number.

It is an amenable number.

202332421 is a deficient number, since it is larger than the sum of its proper divisors (3261779).

202332421 is an equidigital number, since it uses as much as digits as its factorization.

202332421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6695.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 202332421 is about 14224.3601262060. The cubic root of 202332421 is about 587.0681139138.

Adding to 202332421 its reverse (124233202), we get a palindrome (326565623).

The spelling of 202332421 in words is "two hundred two million, three hundred thirty-two thousand, four hundred twenty-one".