214013221 has 8 divisors (see below), whose sum is σ = 226917504. Its totient is φ = 201144000.

The previous prime is 214013201. The next prime is 214013251. The reversal of 214013221 is 122310412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 214013221 - 2⁹ = 214012709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214013195 and 214013204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214013201) 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, 4386 + ... + 21148.

It is an arithmetic number, because the mean of its divisors is an integer number (28364688).

Almost surely, 2^214013221 is an apocalyptic number.

It is an amenable number.

214013221 is a deficient number, since it is larger than the sum of its proper divisors (12904283).

214013221 is a wasteful number, since it uses less digits than its factorization.

214013221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17531.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 214013221 is about 14629.1907158257. The cubic root of 214013221 is about 598.1547205389.

Adding to 214013221 its reverse (122310412), we get a palindrome (336323633).

The spelling of 214013221 in words is "two hundred fourteen million, thirteen thousand, two hundred twenty-one".