2272786 has 4 divisors (see below), whose sum is σ = 3409182. Its totient is φ = 1136392.

The previous prime is 2272771. The next prime is 2272811. The reversal of 2272786 is 6872722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1809025 + 463761 = 1345^2 + 681^2 .

It is a d-powerful number, because it can be written as 2 + 2¹³ + 7⁵ + 2²¹ + 7⁶ + 8⁵ + 6³ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568195 + ... + 568198.

2^2272786 is an apocalyptic number.

2272786 is a deficient number, since it is larger than the sum of its proper divisors (1136396).

2272786 is a wasteful number, since it uses less digits than its factorization.

2272786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136395.

The product of its digits is 18816, while the sum is 34.

The square root of 2272786 is about 1507.5762003959. The cubic root of 2272786 is about 131.4779271602.

The spelling of 2272786 in words is "two million, two hundred seventy-two thousand, seven hundred eighty-six".