7162262220 has 24 divisors (see below), whose sum is σ = 20054334384. Its totient is φ = 1909936576.

The previous prime is 7162262209. The next prime is 7162262221. The reversal of 7162262220 is 222622617.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (7162262221) 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 7 ways as a sum of consecutive naturals, for example, 59685459 + ... + 59685578.

It is an arithmetic number, because the mean of its divisors is an integer number (835597266).

Almost surely, 2^7162262220 is an apocalyptic number.

It is an amenable number.

7162262220 is an abundant number, since it is smaller than the sum of its proper divisors (12892072164).

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

7162262220 is a wasteful number, since it uses less digits than its factorization.

7162262220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119371049 (or 119371047 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 7162262220 is about 84630.1495922109. The cubic root of 7162262220 is about 1927.5992072630.

Adding to 7162262220 its reverse (222622617), we get a palindrome (7384884837).

The spelling of 7162262220 in words is "seven billion, one hundred sixty-two million, two hundred sixty-two thousand, two hundred twenty".