2210842 has 8 divisors (see below), whose sum is σ = 3378996. Its totient is φ = 1084512.

The previous prime is 2210837. The next prime is 2210851. The reversal of 2210842 is 2480122.

It can be written as a sum of positive squares in 2 ways, for example, as 1825201 + 385641 = 1351^2 + 621^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10323 + ... + 10534.

2^2210842 is an apocalyptic number.

2210842 is a deficient number, since it is larger than the sum of its proper divisors (1168154).

2210842 is a wasteful number, since it uses less digits than its factorization.

2210842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20912.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2210842 is about 1486.8900430092. The cubic root of 2210842 is about 130.2724463755.

Adding to 2210842 its reverse (2480122), we get a palindrome (4690964).

The spelling of 2210842 in words is "two million, two hundred ten thousand, eight hundred forty-two".