2214481 has 2 divisors, whose sum is σ = 2214482. Its totient is φ = 2214480.

The previous prime is 2214479. The next prime is 2214491. The reversal of 2214481 is 1844122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1638400 + 576081 = 1280^2 + 759^2 .

It is a cyclic number.

It is not a de Polignac number, because 2214481 - 2¹ = 2214479 is a prime.

It is a super-2 number, since 2×2214481² = 9807852198722, which contains 22 as substring.

Together with 2214479, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2214491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107240 + 1107241.

It is an arithmetic number, because the mean of its divisors is an integer number (1107241).

2^2214481 is an apocalyptic number.

It is an amenable number.

2214481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2214481 is an equidigital number, since it uses as much as digits as its factorization.

2214481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 512, while the sum is 22.

The square root of 2214481 is about 1488.1132349388. The cubic root of 2214481 is about 130.3438824424.

The spelling of 2214481 in words is "two million, two hundred fourteen thousand, four hundred eighty-one".