7020522 has 24 divisors (see below), whose sum is σ = 15279264. Its totient is φ = 2329704.

The previous prime is 7020511. The next prime is 7020529. The reversal of 7020522 is 2250207.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 7020495 and 7020504.

It is not an unprimeable number, because it can be changed into a prime (7020529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3993 + ... + 5475.

It is an arithmetic number, because the mean of its divisors is an integer number (636636).

Almost surely, 2^7020522 is an apocalyptic number.

7020522 is an abundant number, since it is smaller than the sum of its proper divisors (8258742).

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

7020522 is a wasteful number, since it uses less digits than its factorization.

7020522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754 (or 1751 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 7020522 is about 2649.6267661692. The cubic root of 7020522 is about 191.4798748129.

Adding to 7020522 its reverse (2250207), we get a palindrome (9270729).

The spelling of 7020522 in words is "seven million, twenty thousand, five hundred twenty-two".