100902229 has 2 divisors, whose sum is σ = 100902230. Its totient is φ = 100902228.

The previous prime is 100902227. The next prime is 100902239. The reversal of 100902229 is 922209001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68923204 + 31979025 = 8302^2 + 5655^2 .

It is a cyclic number.

It is not a de Polignac number, because 100902229 - 2¹ = 100902227 is a prime.

Together with 100902227, 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 (100902227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50451114 + 50451115.

It is an arithmetic number, because the mean of its divisors is an integer number (50451115).

Almost surely, 2^100902229 is an apocalyptic number.

It is an amenable number.

100902229 is a deficient number, since it is larger than the sum of its proper divisors (1).

100902229 is an equidigital number, since it uses as much as digits as its factorization.

100902229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 100902229 is about 10045.0101543005. The cubic root of 100902229 is about 465.5506314811.

The spelling of 100902229 in words is "one hundred million, nine hundred two thousand, two hundred twenty-nine".