7022840 has 48 divisors (see below), whose sum is σ = 17380440. Its totient is φ = 2552000.

The previous prime is 7022839. The next prime is 7022857. The reversal of 7022840 is 482207.

7022840 = 655² + 656² + ... + 670².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4115 + ... + 5565.

Almost surely, 2^7022840 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 7022840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8690220).

7022840 is an abundant number, since it is smaller than the sum of its proper divisors (10357600).

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

7022840 is a wasteful number, since it uses less digits than its factorization.

7022840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484 (or 1469 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 7022840 is about 2650.0641501669. The cubic root of 7022840 is about 191.5009464421.

The spelling of 7022840 in words is "seven million, twenty-two thousand, eight hundred forty".