202231429 has 2 divisors, whose sum is σ = 202231430. Its totient is φ = 202231428.

The previous prime is 202231427. The next prime is 202231441. The reversal of 202231429 is 924132202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147501025 + 54730404 = 12145^2 + 7398^2 .

It is a cyclic number.

It is not a de Polignac number, because 202231429 - 2¹ = 202231427 is a prime.

Together with 202231427, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202231423) by changing a digit.

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, 101115714 + 101115715.

It is an arithmetic number, because the mean of its divisors is an integer number (101115715).

Almost surely, 2^202231429 is an apocalyptic number.

It is an amenable number.

202231429 is a deficient number, since it is larger than the sum of its proper divisors (1).

202231429 is an equidigital number, since it uses as much as digits as its factorization.

202231429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 202231429 is about 14220.8097167496. The cubic root of 202231429 is about 586.9704214631.

The spelling of 202231429 in words is "two hundred two million, two hundred thirty-one thousand, four hundred twenty-nine".