85622437 has 2 divisors, whose sum is σ = 85622438. Its totient is φ = 85622436.

The previous prime is 85622429. The next prime is 85622441. The reversal of 85622437 is 73422658.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64545156 + 21077281 = 8034^2 + 4591^2 .

It is a cyclic number.

It is not a de Polignac number, because 85622437 - 2³ = 85622429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85622396 and 85622405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85622137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42811218 + 42811219.

It is an arithmetic number, because the mean of its divisors is an integer number (42811219).

Almost surely, 2^85622437 is an apocalyptic number.

It is an amenable number.

85622437 is a deficient number, since it is larger than the sum of its proper divisors (1).

85622437 is an equidigital number, since it uses as much as digits as its factorization.

85622437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 37.

The square root of 85622437 is about 9253.2392706554. The cubic root of 85622437 is about 440.7535932170.

The spelling of 85622437 in words is "eighty-five million, six hundred twenty-two thousand, four hundred thirty-seven".