2201742 has 20 divisors (see below), whose sum is σ = 4933896. Its totient is φ = 733860.

The previous prime is 2201737. The next prime is 2201743. The reversal of 2201742 is 2471022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201743) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6634 + ... + 6957.

2^2201742 is an apocalyptic number.

2201742 is an abundant number, since it is smaller than the sum of its proper divisors (2732154).

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

2201742 is a wasteful number, since it uses less digits than its factorization.

2201742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13605 (or 13596 counting only the distinct ones).

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

The square root of 2201742 is about 1483.8268093009. The cubic root of 2201742 is about 130.0934633605.

Adding to 2201742 its reverse (2471022), we get a palindrome (4672764).

The spelling of 2201742 in words is "two million, two hundred one thousand, seven hundred forty-two".