985222593 has 12 divisors (see below), whose sum is σ = 1426689108. Its totient is φ = 655158240.

The previous prime is 985222547. The next prime is 985222663. The reversal of 985222593 is 395222589.

985222593 is a `hidden beast` number, since 9 + 8 + 52 + 2 + 2 + 593 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 265266369 + 719956224 = 16287^2 + 26832^2 .

It is not a de Polignac number, because 985222593 - 2¹² = 985218497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (985222393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134298 + ... + 141443.

It is an arithmetic number, because the mean of its divisors is an integer number (118890759).

Almost surely, 2^985222593 is an apocalyptic number.

It is an amenable number.

985222593 is a deficient number, since it is larger than the sum of its proper divisors (441466515).

985222593 is a wasteful number, since it uses less digits than its factorization.

985222593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276144 (or 276141 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 985222593 is about 31388.2556539863. The cubic root of 985222593 is about 995.0497329586.

The spelling of 985222593 in words is "nine hundred eighty-five million, two hundred twenty-two thousand, five hundred ninety-three".