2104722 has 12 divisors (see below), whose sum is σ = 4560270. Its totient is φ = 701568.

The previous prime is 2104717. The next prime is 2104723. The reversal of 2104722 is 2274012.

It can be written as a sum of positive squares in only one way, i.e., 1640961 + 463761 = 1281^2 + 681^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 116929 = 2104722 / (2 + 1 + 0 + 4 + 7 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 2104695 and 2104704.

It is not an unprimeable number, because it can be changed into a prime (2104723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58447 + ... + 58482.

2^2104722 is an apocalyptic number.

2104722 is an abundant number, since it is smaller than the sum of its proper divisors (2455548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2104722 is a wasteful number, since it uses less digits than its factorization.

2104722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116937 (or 116934 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 2104722 is about 1450.7660045645. The cubic root of 2104722 is about 128.1538271048.

Adding to 2104722 its reverse (2274012), we get a palindrome (4378734).

The spelling of 2104722 in words is "two million, one hundred four thousand, seven hundred twenty-two".