102223999 has 2 divisors, whose sum is σ = 102224000. Its totient is φ = 102223998.

The previous prime is 102223993. The next prime is 102224021. The reversal of 102223999 is 999322201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102223999 - 2³ = 102223991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102223991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51111999 + 51112000.

It is an arithmetic number, because the mean of its divisors is an integer number (51112000).

Almost surely, 2^102223999 is an apocalyptic number.

102223999 is a deficient number, since it is larger than the sum of its proper divisors (1).

102223999 is an equidigital number, since it uses as much as digits as its factorization.

102223999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 102223999 is about 10110.5884596298. The cubic root of 102223999 is about 467.5746479216.

The spelling of 102223999 in words is "one hundred two million, two hundred twenty-three thousand, nine hundred ninety-nine".