2210649 has 8 divisors (see below), whose sum is σ = 3368640. Its totient is φ = 1263216.

The previous prime is 2210633. The next prime is 2210651. The reversal of 2210649 is 9460122.

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

It is not a de Polignac number, because 2210649 - 2⁴ = 2210633 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2210249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52614 + ... + 52655.

It is an arithmetic number, because the mean of its divisors is an integer number (421080).

2^2210649 is an apocalyptic number.

It is an amenable number.

2210649 is a deficient number, since it is larger than the sum of its proper divisors (1157991).

2210649 is a wasteful number, since it uses less digits than its factorization.

2210649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105279.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2210649 is about 1486.8251410304. The cubic root of 2210649 is about 130.2686554648.

It can be divided in two parts, 22106 and 49, that added together give a triangular number (22155 = T₂₁₀).

The spelling of 2210649 in words is "two million, two hundred ten thousand, six hundred forty-nine".