2272236 has 12 divisors (see below), whose sum is σ = 5301912. Its totient is φ = 757408.

The previous prime is 2272223. The next prime is 2272241. The reversal of 2272236 is 6322722.

It is a tau number, because it is divible by the number of its divisors (12).

It is a d-powerful number, because it can be written as 2⁹ + 2¹¹ + 7⁶ + 2¹³ + 2²¹ + 3³ + 6⁶ .

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, 94665 + ... + 94688.

It is an arithmetic number, because the mean of its divisors is an integer number (441826).

2^2272236 is an apocalyptic number.

It is an amenable number.

2272236 is an abundant number, since it is smaller than the sum of its proper divisors (3029676).

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

2272236 is a wasteful number, since it uses less digits than its factorization.

2272236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189360 (or 189358 counting only the distinct ones).

The product of its digits is 2016, while the sum is 24.

The square root of 2272236 is about 1507.3937773522. The cubic root of 2272236 is about 131.4673206925.

Adding to 2272236 its reverse (6322722), we get a palindrome (8594958).

The spelling of 2272236 in words is "two million, two hundred seventy-two thousand, two hundred thirty-six".