2220121214 has 4 divisors (see below), whose sum is σ = 3330181824. Its totient is φ = 1110060606.

The previous prime is 2220121201. The next prime is 2220121219. The reversal of 2220121214 is 4121210222.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2220121192 and 2220121201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220121219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555030302 + ... + 555030305.

It is an arithmetic number, because the mean of its divisors is an integer number (832545456).

Almost surely, 2^2220121214 is an apocalyptic number.

2220121214 is a deficient number, since it is larger than the sum of its proper divisors (1110060610).

2220121214 is a wasteful number, since it uses less digits than its factorization.

2220121214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110060609.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2220121214 is about 47118.1622519385. The cubic root of 2220121214 is about 1304.5444922577.

Adding to 2220121214 its reverse (4121210222), we get a palindrome (6341331436).

The spelling of 2220121214 in words is "two billion, two hundred twenty million, one hundred twenty-one thousand, two hundred fourteen".