7205522022 has 32 divisors (see below), whose sum is σ = 16209963360. Its totient is φ = 2401839216.

The previous prime is 7205522021. The next prime is 7205522047. The reversal of 7205522022 is 2202255027.

7205522022 is a `hidden beast` number, since 72 + 0 + 552 + 20 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7205522021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 819303 + ... + 828050.

It is an arithmetic number, because the mean of its divisors is an integer number (506561355).

Almost surely, 2^7205522022 is an apocalyptic number.

7205522022 is an abundant number, since it is smaller than the sum of its proper divisors (9004441338).

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

7205522022 is an equidigital number, since it uses as much as digits as its factorization.

7205522022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647376 (or 1647358 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 7205522022 is about 84885.3463325679. The cubic root of 7205522022 is about 1931.4722961762.

Adding to 7205522022 its reverse (2202255027), we get a palindrome (9407777049).

The spelling of 7205522022 in words is "seven billion, two hundred five million, five hundred twenty-two thousand, twenty-two".