909252229 has 2 divisors, whose sum is σ = 909252230. Its totient is φ = 909252228.

The previous prime is 909252221. The next prime is 909252251. The reversal of 909252229 is 922252909.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 666827329 + 242424900 = 25823^2 + 15570^2 .

It is an emirp because it is prime and its reverse (922252909) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 909252229 - 2³ = 909252221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 909252191 and 909252200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (909252221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 454626114 + 454626115.

It is an arithmetic number, because the mean of its divisors is an integer number (454626115).

Almost surely, 2^909252229 is an apocalyptic number.

It is an amenable number.

909252229 is a deficient number, since it is larger than the sum of its proper divisors (1).

909252229 is an equidigital number, since it uses as much as digits as its factorization.

909252229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 909252229 is about 30153.8095271559. The cubic root of 909252229 is about 968.7866037144.

The spelling of 909252229 in words is "nine hundred nine million, two hundred fifty-two thousand, two hundred twenty-nine".