2518722 has 16 divisors (see below), whose sum is σ = 5597280. Its totient is φ = 839556.

The previous prime is 2518687. The next prime is 2518727. The reversal of 2518722 is 2278152.

2518722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2518727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23268 + ... + 23375.

It is an arithmetic number, because the mean of its divisors is an integer number (349830).

2^2518722 is an apocalyptic number.

2518722 is an abundant number, since it is smaller than the sum of its proper divisors (3078558).

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

2518722 is a wasteful number, since it uses less digits than its factorization.

2518722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46654 (or 46648 counting only the distinct ones).

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

The square root of 2518722 is about 1587.0482034267. The cubic root of 2518722 is about 136.0588341177.

It can be divided in two parts, 2518 and 722, that added together give a triangular number (3240 = T₈₀).

The spelling of 2518722 in words is "two million, five hundred eighteen thousand, seven hundred twenty-two".