2272686 has 16 divisors (see below), whose sum is σ = 4895184. Its totient is φ = 699264.

The previous prime is 2272667. The next prime is 2272691. The reversal of 2272686 is 6862722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14491 + ... + 14646.

It is an arithmetic number, because the mean of its divisors is an integer number (305949).

2^2272686 is an apocalyptic number.

2272686 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2272686 is an abundant number, since it is smaller than the sum of its proper divisors (2622498).

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

2272686 is a wasteful number, since it uses less digits than its factorization.

2272686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29155.

The product of its digits is 16128, while the sum is 33.

The square root of 2272686 is about 1507.5430342116. The cubic root of 2272686 is about 131.4759988388.

The spelling of 2272686 in words is "two million, two hundred seventy-two thousand, six hundred eighty-six".