202233421 has 8 divisors (see below), whose sum is σ = 217901880. Its totient is φ = 186580992.

The previous prime is 202233413. The next prime is 202233439. The reversal of 202233421 is 124332202.

202233421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 35462025 + 166771396 = 5955^2 + 12914^2 .

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

It is not a de Polignac number, because 202233421 - 2³ = 202233413 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 (202233121) 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, 40941 + ... + 45613.

It is an arithmetic number, because the mean of its divisors is an integer number (27237735).

Almost surely, 2^202233421 is an apocalyptic number.

It is an amenable number.

202233421 is a deficient number, since it is larger than the sum of its proper divisors (15668459).

202233421 is a wasteful number, since it uses less digits than its factorization.

202233421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8015.

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

The square root of 202233421 is about 14220.8797547831. The cubic root of 202233421 is about 586.9723486961.

Adding to 202233421 its reverse (124332202), we get a palindrome (326565623).

It can be divided in two parts, 20 and 2233421, that added together give a triangular number (2233441 = T₂₁₁₃).

The spelling of 202233421 in words is "two hundred two million, two hundred thirty-three thousand, four hundred twenty-one".