2918122 has 4 divisors (see below), whose sum is σ = 4377186. Its totient is φ = 1459060.

The previous prime is 2918119. The next prime is 2918129. The reversal of 2918122 is 2218192.

2918122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 2758921 + 159201 = 1661^2 + 399^2 .

It is not an unprimeable number, because it can be changed into a prime (2918129) 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 as a sum of consecutive naturals, namely, 729529 + ... + 729532.

2^2918122 is an apocalyptic number.

2918122 is a deficient number, since it is larger than the sum of its proper divisors (1459064).

2918122 is a wasteful number, since it uses less digits than its factorization.

2918122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459063.

The product of its digits is 576, while the sum is 25.

The square root of 2918122 is about 1708.2511524949. The cubic root of 2918122 is about 142.9007412643.

The spelling of 2918122 in words is "two million, nine hundred eighteen thousand, one hundred twenty-two".