2272758 has 8 divisors (see below), whose sum is σ = 4545528. Its totient is φ = 757584.

The previous prime is 2272757. The next prime is 2272771. The reversal of 2272758 is 8572722.

It is a sphenic number, since it is the product of 3 distinct primes.

2272758 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189391 + ... + 189402.

It is an arithmetic number, because the mean of its divisors is an integer number (568191).

2^2272758 is an apocalyptic number.

2272758 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2272758 is a wasteful number, since it uses less digits than its factorization.

2272758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378798.

The product of its digits is 15680, while the sum is 33.

The square root of 2272758 is about 1507.5669139378. The cubic root of 2272758 is about 131.4773872359.

The spelling of 2272758 in words is "two million, two hundred seventy-two thousand, seven hundred fifty-eight".