220001214 has 16 divisors (see below), whose sum is σ = 440198928. Its totient is φ = 73300992.

The previous prime is 220001213. The next prime is 220001227. The reversal of 220001214 is 412100022.

It is a super-2 number, since 2×220001214² = 96801068322947592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220001214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220001213) 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, 9214 + ... + 22910.

It is an arithmetic number, because the mean of its divisors is an integer number (27512433).

Almost surely, 2^220001214 is an apocalyptic number.

220001214 is an abundant number, since it is smaller than the sum of its proper divisors (220197714).

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

220001214 is a wasteful number, since it uses less digits than its factorization.

220001214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16379.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 220001214 is about 14832.4378980665. The cubic root of 220001214 is about 603.6821840850.

Adding to 220001214 its reverse (412100022), we get a palindrome (632101236).

The spelling of 220001214 in words is "two hundred twenty million, one thousand, two hundred fourteen".