424202231 has 2 divisors, whose sum is σ = 424202232. Its totient is φ = 424202230.

The previous prime is 424202203. The next prime is 424202239. The reversal of 424202231 is 132202424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424202231 - 2¹⁴ = 424185847 is a prime.

It is a super-2 number, since 2×424202231² = 359895065570754722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424202239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212101115 + 212101116.

It is an arithmetic number, because the mean of its divisors is an integer number (212101116).

Almost surely, 2^424202231 is an apocalyptic number.

424202231 is a deficient number, since it is larger than the sum of its proper divisors (1).

424202231 is an equidigital number, since it uses as much as digits as its factorization.

424202231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 424202231 is about 20596.1702993542. The cubic root of 424202231 is about 751.3765717065.

Adding to 424202231 its reverse (132202424), we get a palindrome (556404655).

The spelling of 424202231 in words is "four hundred twenty-four million, two hundred two thousand, two hundred thirty-one".