2214691 has 2 divisors, whose sum is σ = 2214692. Its totient is φ = 2214690.

The previous prime is 2214679. The next prime is 2214713. The reversal of 2214691 is 1964122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2214691 - 2¹³ = 2206499 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 2¹⁹ + 1 + 4⁶ + 6⁸ + 9⁴ + 1 .

It is not a weakly prime, because it can be changed into another prime (2214661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107345 + 1107346.

It is an arithmetic number, because the mean of its divisors is an integer number (1107346).

2^2214691 is an apocalyptic number.

2214691 is a deficient number, since it is larger than the sum of its proper divisors (1).

2214691 is an equidigital number, since it uses as much as digits as its factorization.

2214691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 25.

The square root of 2214691 is about 1488.1837924128. The cubic root of 2214691 is about 130.3480024974.

The spelling of 2214691 in words is "two million, two hundred fourteen thousand, six hundred ninety-one".