214223040 has 84 divisors (see below), whose sum is σ = 736847904. Its totient is φ = 57125376.

The previous prime is 214223011. The next prime is 214223063. The reversal of 214223040 is 40322412.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34312 + ... + 40071.

Almost surely, 2^214223040 is an apocalyptic number.

214223040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214223040 is an abundant number, since it is smaller than the sum of its proper divisors (522624864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214223040 is a wasteful number, since it uses less digits than its factorization.

214223040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74406 (or 74393 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 214223040 is about 14636.3602032746. The cubic root of 214223040 is about 598.3501340623.

Adding to 214223040 its reverse (40322412), we get a palindrome (254545452).

The spelling of 214223040 in words is "two hundred fourteen million, two hundred twenty-three thousand, forty".