235220404 has 6 divisors (see below), whose sum is σ = 411635714. Its totient is φ = 117610200.

The previous prime is 235220389. The next prime is 235220411. The reversal of 235220404 is 404022532.

It can be written as a sum of positive squares in only one way, i.e., 154256400 + 80964004 = 12420^2 + 8998^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29402547 + ... + 29402554.

Almost surely, 2^235220404 is an apocalyptic number.

It is an amenable number.

235220404 is a deficient number, since it is larger than the sum of its proper divisors (176415310).

235220404 is a wasteful number, since it uses less digits than its factorization.

235220404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58805105 (or 58805103 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 235220404 is about 15336.8968178051. The cubic root of 235220404 is about 617.2934430181.

Adding to 235220404 its reverse (404022532), we get a palindrome (639242936).

The spelling of 235220404 in words is "two hundred thirty-five million, two hundred twenty thousand, four hundred four".