214420566 has 16 divisors (see below), whose sum is σ = 431928000. Its totient is φ = 70959048.

The previous prime is 214420561. The next prime is 214420579. The reversal of 214420566 is 665024412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214420561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127716 + ... + 129383.

It is an arithmetic number, because the mean of its divisors is an integer number (26995500).

Almost surely, 2^214420566 is an apocalyptic number.

214420566 is an abundant number, since it is smaller than the sum of its proper divisors (217507434).

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

214420566 is a wasteful number, since it uses less digits than its factorization.

214420566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257243.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 214420566 is about 14643.1064327212. The cubic root of 214420566 is about 598.5339820139.

Adding to 214420566 its reverse (665024412), we get a palindrome (879444978).

The spelling of 214420566 in words is "two hundred fourteen million, four hundred twenty thousand, five hundred sixty-six".