7220000036 has 12 divisors (see below), whose sum is σ = 12637154460. Its totient is φ = 3609384480.

The previous prime is 7220000027. The next prime is 7220000071. The reversal of 7220000036 is 6300000227.

It can be written as a sum of positive squares in 2 ways, for example, as 987844900 + 6232155136 = 31430^2 + 78944^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7219999972 and 7220000017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126971 + ... + 174818.

It is an arithmetic number, because the mean of its divisors is an integer number (1053096205).

Almost surely, 2^7220000036 is an apocalyptic number.

It is an amenable number.

7220000036 is a deficient number, since it is larger than the sum of its proper divisors (5417154424).

7220000036 is a wasteful number, since it uses less digits than its factorization.

7220000036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307774 (or 307772 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 7220000036 is about 84970.5833568300. The cubic root of 7220000036 is about 1932.7650627754.

The spelling of 7220000036 in words is "seven billion, two hundred twenty million, thirty-six", and thus it is an aban number.