220400214 has 16 divisors (see below), whose sum is σ = 459965952. Its totient is φ = 70272488.

The previous prime is 220400177. The next prime is 220400227. The reversal of 220400214 is 412004022.

It is a junction number, because it is equal to n+sod(n) for n = 220400193 and 220400202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 798414 + ... + 798689.

It is an arithmetic number, because the mean of its divisors is an integer number (28747872).

Almost surely, 2^220400214 is an apocalyptic number.

220400214 is an abundant number, since it is smaller than the sum of its proper divisors (239565738).

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

220400214 is a wasteful number, since it uses less digits than its factorization.

220400214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597131.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 220400214 is about 14845.8820553041. The cubic root of 220400214 is about 604.0469149851.

Adding to 220400214 its reverse (412004022), we get a palindrome (632404236).

The spelling of 220400214 in words is "two hundred twenty million, four hundred thousand, two hundred fourteen".