85469229 has 16 divisors (see below), whose sum is σ = 128769600. Its totient is φ = 56012688.

The previous prime is 85469227. The next prime is 85469243. The reversal of 85469229 is 92296458.

It is not a de Polignac number, because 85469229 - 2¹ = 85469227 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85469221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25234 + ... + 28419.

It is an arithmetic number, because the mean of its divisors is an integer number (8048100).

Almost surely, 2^85469229 is an apocalyptic number.

It is an amenable number.

85469229 is a deficient number, since it is larger than the sum of its proper divisors (43300371).

85469229 is a wasteful number, since it uses less digits than its factorization.

85469229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53721 (or 53715 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 85469229 is about 9244.9569496023. The cubic root of 85469229 is about 440.4905496531.

The spelling of 85469229 in words is "eighty-five million, four hundred sixty-nine thousand, two hundred twenty-nine".