7222876240 has 20 divisors (see below), whose sum is σ = 16793187444. Its totient is φ = 2889150464.

The previous prime is 7222876237. The next prime is 7222876247. The reversal of 7222876240 is 426782227.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2663385664 + 4559490576 = 51608^2 + 67524^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 7222876193 and 7222876202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7222876247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45142897 + ... + 45143056.

Almost surely, 2^7222876240 is an apocalyptic number.

It is an amenable number.

7222876240 is an abundant number, since it is smaller than the sum of its proper divisors (9570311204).

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

7222876240 is a wasteful number, since it uses less digits than its factorization.

7222876240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90285966 (or 90285960 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 40.

The square root of 7222876240 is about 84987.5063759374. The cubic root of 7222876240 is about 1933.0216781293.

The spelling of 7222876240 in words is "seven billion, two hundred twenty-two million, eight hundred seventy-six thousand, two hundred forty".