2214729 has 16 divisors (see below), whose sum is σ = 3579840. Its totient is φ = 1342080.

The previous prime is 2214713. The next prime is 2214731. The reversal of 2214729 is 9274122.

It is not a de Polignac number, because 2214729 - 2⁴ = 2214713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2214749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3432 + ... + 4025.

It is an arithmetic number, because the mean of its divisors is an integer number (223740).

2^2214729 is an apocalyptic number.

It is an amenable number.

2214729 is a deficient number, since it is larger than the sum of its proper divisors (1365111).

2214729 is a wasteful number, since it uses less digits than its factorization.

2214729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7477 (or 7471 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 2214729 is about 1488.1965595982. The cubic root of 2214729 is about 130.3487480033.

It can be divided in two parts, 221 and 4729, that added together give a triangular number (4950 = T₉₉).

The spelling of 2214729 in words is "two million, two hundred fourteen thousand, seven hundred twenty-nine".