7022208 has 32 divisors (see below), whose sum is σ = 18653760. Its totient is φ = 2340608.

The previous prime is 7022179. The next prime is 7022219. The reversal of 7022208 is 8022207.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×7022208² = 98622810390528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8760 + ... + 9527.

It is an arithmetic number, because the mean of its divisors is an integer number (582930).

Almost surely, 2^7022208 is an apocalyptic number.

It is an amenable number.

7022208 is an abundant number, since it is smaller than the sum of its proper divisors (11631552).

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

7022208 is a wasteful number, since it uses less digits than its factorization.

7022208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18304 (or 18292 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 7022208 is about 2649.9449050877. The cubic root of 7022208 is about 191.4952017468.

Subtracting 7022208 from its reverse (8022207), we obtain a palindrome (999999).

The spelling of 7022208 in words is "seven million, twenty-two thousand, two hundred eight".