102223631 has 2 divisors, whose sum is σ = 102223632. Its totient is φ = 102223630.

The previous prime is 102223621. The next prime is 102223633. The reversal of 102223631 is 136322201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102223631 is a prime.

It is a super-2 number, since 2×102223631² = 20899341469648322, which contains 22 as substring.

Together with 102223633, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102223633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51111815 + 51111816.

It is an arithmetic number, because the mean of its divisors is an integer number (51111816).

Almost surely, 2^102223631 is an apocalyptic number.

102223631 is a deficient number, since it is larger than the sum of its proper divisors (1).

102223631 is an equidigital number, since it uses as much as digits as its factorization.

102223631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 102223631 is about 10110.5702608706. The cubic root of 102223631 is about 467.5740868411.

Adding to 102223631 its reverse (136322201), we get a palindrome (238545832).

The spelling of 102223631 in words is "one hundred two million, two hundred twenty-three thousand, six hundred thirty-one".