102222331 has 2 divisors, whose sum is σ = 102222332. Its totient is φ = 102222330.

The previous prime is 102222301. The next prime is 102222347. The reversal of 102222331 is 133222201.

It is an a-pointer prime, because the next prime (102222347) can be obtained adding 102222331 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102222331 is a prime.

It is a super-2 number, since 2×102222331² = 20898809910147122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102222301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51111165 + 51111166.

It is an arithmetic number, because the mean of its divisors is an integer number (51111166).

Almost surely, 2^102222331 is an apocalyptic number.

102222331 is a deficient number, since it is larger than the sum of its proper divisors (1).

102222331 is an equidigital number, since it uses as much as digits as its factorization.

102222331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 102222331 is about 10110.5059715130. The cubic root of 102222331 is about 467.5721047524.

Adding to 102222331 its reverse (133222201), we get a palindrome (235444532).

The spelling of 102222331 in words is "one hundred two million, two hundred twenty-two thousand, three hundred thirty-one".