6999122 has 16 divisors (see below), whose sum is σ = 11363352. Its totient is φ = 3214080.

The previous prime is 6999103. The next prime is 6999131. The reversal of 6999122 is 2219996.

It can be written as a sum of positive squares in 4 ways, for example, as 3798601 + 3200521 = 1949^2 + 1789^2 .

It is a congruent number.

It is an unprimeable number.

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, 5708 + ... + 6824.

Almost surely, 2^6999122 is an apocalyptic number.

6999122 is a deficient number, since it is larger than the sum of its proper divisors (4364230).

6999122 is a wasteful number, since it uses less digits than its factorization.

6999122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373.

The product of its digits is 17496, while the sum is 38.

The square root of 6999122 is about 2645.5853794576. The cubic root of 6999122 is about 191.2851200686.

The spelling of 6999122 in words is "six million, nine hundred ninety-nine thousand, one hundred twenty-two".