2066722 has 12 divisors (see below), whose sum is σ = 3606390. Its totient is φ = 885696.

The previous prime is 2066717. The next prime is 2066723. The reversal of 2066722 is 2276602.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1147041 + 919681 = 1071^2 + 959^2 .

It is not an unprimeable number, because it can be changed into a prime (2066723) 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, 10447 + ... + 10642.

2^2066722 is an apocalyptic number.

2066722 is a deficient number, since it is larger than the sum of its proper divisors (1539668).

2066722 is a wasteful number, since it uses less digits than its factorization.

2066722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21105 (or 21098 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 2066722 is about 1437.6098218919. The cubic root of 2066722 is about 127.3778812786.

The spelling of 2066722 in words is "two million, sixty-six thousand, seven hundred twenty-two".