85224433 has 4 divisors (see below), whose sum is σ = 97399360. Its totient is φ = 73049508.

The previous prime is 85224413. The next prime is 85224457. The reversal of 85224433 is 33442258.

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 not a de Polignac number, because 85224433 - 2⁵ = 85224401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85224395 and 85224404.

It is not an unprimeable number, because it can be changed into a prime (85224413) 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, 6087453 + ... + 6087466.

It is an arithmetic number, because the mean of its divisors is an integer number (24349840).

Almost surely, 2^85224433 is an apocalyptic number.

It is an amenable number.

85224433 is a deficient number, since it is larger than the sum of its proper divisors (12174927).

85224433 is a wasteful number, since it uses less digits than its factorization.

85224433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12174926.

The product of its digits is 23040, while the sum is 31.

The square root of 85224433 is about 9231.7080218126. The cubic root of 85224433 is about 440.0696050352.

The spelling of 85224433 in words is "eighty-five million, two hundred twenty-four thousand, four hundred thirty-three".