2214437221 has 8 divisors (see below), whose sum is σ = 2367914904. Its totient is φ = 2063539200.

The previous prime is 2214437219. The next prime is 2214437227. The reversal of 2214437221 is 1227344122.

It can be written as a sum of positive squares in 4 ways, for example, as 1342416321 + 872020900 = 36639^2 + 29530^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2214437221 - 2¹ = 2214437219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2214437221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2214437227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643140 + ... + 646573.

It is an arithmetic number, because the mean of its divisors is an integer number (295989363).

Almost surely, 2^2214437221 is an apocalyptic number.

It is an amenable number.

2214437221 is a deficient number, since it is larger than the sum of its proper divisors (153477683).

2214437221 is a wasteful number, since it uses less digits than its factorization.

2214437221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289831.

The product of its digits is 5376, while the sum is 28.

The square root of 2214437221 is about 47057.8072268566. The cubic root of 2214437221 is about 1303.4302349589.

The spelling of 2214437221 in words is "two billion, two hundred fourteen million, four hundred thirty-seven thousand, two hundred twenty-one".