214221070 has 16 divisors (see below), whose sum is σ = 440683488. Its totient is φ = 73447200.

The previous prime is 214221047. The next prime is 214221089. The reversal of 214221070 is 70122412.

It is a happy number.

214221070 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1530081 + ... + 1530220.

It is an arithmetic number, because the mean of its divisors is an integer number (27542718).

Almost surely, 2^214221070 is an apocalyptic number.

214221070 is an abundant number, since it is smaller than the sum of its proper divisors (226462418).

214221070 is a wasteful number, since it uses less digits than its factorization.

214221070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060315.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 214221070 is about 14636.2929049674. The cubic root of 214221070 is about 598.3482999095.

Adding to 214221070 its reverse (70122412), we get a palindrome (284343482).

The spelling of 214221070 in words is "two hundred fourteen million, two hundred twenty-one thousand, seventy".