7022118 has 16 divisors (see below), whose sum is σ = 14528880. Its totient is φ = 2259936.

The previous prime is 7022117. The next prime is 7022123. The reversal of 7022118 is 8112207.

It is a junction number, because it is equal to n+sod(n) for n = 7022094 and 7022103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7022117) 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, 20005 + ... + 20352.

It is an arithmetic number, because the mean of its divisors is an integer number (908055).

Almost surely, 2^7022118 is an apocalyptic number.

7022118 is an abundant number, since it is smaller than the sum of its proper divisors (7506762).

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

7022118 is a wasteful number, since it uses less digits than its factorization.

7022118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40391.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 7022118 is about 2649.9279235481. The cubic root of 7022118 is about 191.4943836450.

It can be divided in two parts, 7022 and 118, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 7022118 in words is "seven million, twenty-two thousand, one hundred eighteen".