214220985 has 16 divisors (see below), whose sum is σ = 373913280. Its totient is φ = 103864640.

The previous prime is 214220983. The next prime is 214221001. The reversal of 214220985 is 589022412.

It is not a de Polignac number, because 214220985 - 2¹ = 214220983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (214220983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648990 + ... + 649319.

It is an arithmetic number, because the mean of its divisors is an integer number (23369580).

Almost surely, 2^214220985 is an apocalyptic number.

It is an amenable number.

214220985 is a deficient number, since it is larger than the sum of its proper divisors (159692295).

214220985 is a wasteful number, since it uses less digits than its factorization.

214220985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298328.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 214220985 is about 14636.2900012264. The cubic root of 214220985 is about 598.3482207707.

The spelling of 214220985 in words is "two hundred fourteen million, two hundred twenty thousand, nine hundred eighty-five".