7022288 has 90 divisors (see below), whose sum is σ = 17461494. Its totient is φ = 2725632.

The previous prime is 7022273. The next prime is 7022293. The reversal of 7022288 is 8822207.

It can be written as a sum of positive squares in 3 ways, for example, as 94864 + 6927424 = 308^2 + 2632^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 7022288.

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 17 ways as a sum of consecutive naturals, for example, 132470 + ... + 132522.

Almost surely, 2^7022288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7022288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8730747).

7022288 is an abundant number, since it is smaller than the sum of its proper divisors (10439206).

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

7022288 is a wasteful number, since it uses less digits than its factorization.

7022288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 7022288 is about 2649.9599996981. The cubic root of 7022288 is about 191.4959289424.

The spelling of 7022288 in words is "seven million, twenty-two thousand, two hundred eighty-eight".