2214945 has 24 divisors (see below), whose sum is σ = 3983616. Its totient is φ = 1180656.

The previous prime is 2214941. The next prime is 2214959. The reversal of 2214945 is 5494122.

It is not a de Polignac number, because 2214945 - 2² = 2214941 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (2214941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 304 + ... + 2126.

It is an arithmetic number, because the mean of its divisors is an integer number (165984).

2^2214945 is an apocalyptic number.

It is an amenable number.

2214945 is a deficient number, since it is larger than the sum of its proper divisors (1768671).

2214945 is an equidigital number, since it uses as much as digits as its factorization.

2214945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843 (or 1831 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2214945 is about 1488.2691288876. The cubic root of 2214945 is about 130.3529854539.

The spelling of 2214945 in words is "two million, two hundred fourteen thousand, nine hundred forty-five".