905275229 has 4 divisors (see below), whose sum is σ = 908616000. Its totient is φ = 901934460.

The previous prime is 905275219. The next prime is 905275253. The reversal of 905275229 is 922572509.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 922572509 = 71 ⋅12993979.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-905275229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (905275219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1669979 + ... + 1670520.

It is an arithmetic number, because the mean of its divisors is an integer number (227154000).

Almost surely, 2^905275229 is an apocalyptic number.

It is an amenable number.

905275229 is a deficient number, since it is larger than the sum of its proper divisors (3340771).

905275229 is a wasteful number, since it uses less digits than its factorization.

905275229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340770.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 905275229 is about 30087.7920260028. The cubic root of 905275229 is about 967.3720730821.

The spelling of 905275229 in words is "nine hundred five million, two hundred seventy-five thousand, two hundred twenty-nine".