2272518 has 24 divisors (see below), whose sum is σ = 4957056. Its totient is φ = 752400.

The previous prime is 2272513. The next prime is 2272519. The reversal of 2272518 is 8152722.

It is a junction number, because it is equal to n+sod(n) for n = 2272491 and 2272500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272513) 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, 3108 + ... + 3768.

It is an arithmetic number, because the mean of its divisors is an integer number (206544).

2^2272518 is an apocalyptic number.

2272518 is an abundant number, since it is smaller than the sum of its proper divisors (2684538).

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

2272518 is a wasteful number, since it uses less digits than its factorization.

2272518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860 (or 857 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 2272518 is about 1507.4873133795. The cubic root of 2272518 is about 131.4727591315.

The spelling of 2272518 in words is "two million, two hundred seventy-two thousand, five hundred eighteen".