102202231 has 2 divisors, whose sum is σ = 102202232. Its totient is φ = 102202230.

The previous prime is 102202223. The next prime is 102202237. The reversal of 102202231 is 132202201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102202231 - 2³ = 102202223 is a prime.

It is a super-2 number, since 2×102202231² = 20890592042754722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102202237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51101115 + 51101116.

It is an arithmetic number, because the mean of its divisors is an integer number (51101116).

Almost surely, 2^102202231 is an apocalyptic number.

102202231 is a deficient number, since it is larger than the sum of its proper divisors (1).

102202231 is an equidigital number, since it uses as much as digits as its factorization.

102202231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 102202231 is about 10109.5119071101. The cubic root of 102202231 is about 467.5414564741.

Adding to 102202231 its reverse (132202201), we get a palindrome (234404432).

The spelling of 102202231 in words is "one hundred two million, two hundred two thousand, two hundred thirty-one".