85270229 has 4 divisors (see below), whose sum is σ = 93022080. Its totient is φ = 77518380.

The previous prime is 85270217. The next prime is 85270303. The reversal of 85270229 is 92207258.

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.

It is a cyclic number.

It is not a de Polignac number, because 85270229 - 2⁸ = 85269973 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 (85273229) 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, 3875909 + ... + 3875930.

It is an arithmetic number, because the mean of its divisors is an integer number (23255520).

Almost surely, 2^85270229 is an apocalyptic number.

It is an amenable number.

85270229 is a deficient number, since it is larger than the sum of its proper divisors (7751851).

85270229 is a wasteful number, since it uses less digits than its factorization.

85270229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7751850.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 85270229 is about 9234.1880530992. The cubic root of 85270229 is about 440.1484158415.

The spelling of 85270229 in words is "eighty-five million, two hundred seventy thousand, two hundred twenty-nine".