2206242 has 24 divisors (see below), whose sum is σ = 5032560. Its totient is φ = 696600.

The previous prime is 2206219. The next prime is 2206247. The reversal of 2206242 is 2426022.

It is a happy number.

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

It is an Ulam number.

It is a d-powerful number, because it can be written as 2 + 2⁵ + 0 + 6⁸ + 2¹¹ + 4⁴ + 2¹⁹ .

It is not an unprimeable number, because it can be changed into a prime (2206247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2884 + ... + 3567.

It is an arithmetic number, because the mean of its divisors is an integer number (209690).

2^2206242 is an apocalyptic number.

2206242 is an abundant number, since it is smaller than the sum of its proper divisors (2826318).

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

2206242 is a wasteful number, since it uses less digits than its factorization.

2206242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6478 (or 6475 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2206242 is about 1485.3423847719. The cubic root of 2206242 is about 130.1820329572.

The spelling of 2206242 in words is "two million, two hundred six thousand, two hundred forty-two".