185212214 has 16 divisors (see below), whose sum is σ = 303809616. Its totient is φ = 83983200.

The previous prime is 185212207. The next prime is 185212217. The reversal of 185212214 is 412212581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (185212217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737 + ... + 19260.

It is an arithmetic number, because the mean of its divisors is an integer number (18988101).

Almost surely, 2^185212214 is an apocalyptic number.

185212214 is a deficient number, since it is larger than the sum of its proper divisors (118597402).

185212214 is a wasteful number, since it uses less digits than its factorization.

185212214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20431.

The product of its digits is 1280, while the sum is 26.

The square root of 185212214 is about 13609.2694146306. The cubic root of 185212214 is about 570.0197120504.

Adding to 185212214 its reverse (412212581), we get a palindrome (597424795).

The spelling of 185212214 in words is "one hundred eighty-five million, two hundred twelve thousand, two hundred fourteen".