7228480261 has 4 divisors (see below), whose sum is σ = 7229152000. Its totient is φ = 7227808524.

The previous prime is 7228480253. The next prime is 7228480331. The reversal of 7228480261 is 1620848227.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7228480261 - 2³ = 7228480253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7228480201) 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 3 ways as a sum of consecutive naturals, for example, 319461 + ... + 341338.

It is an arithmetic number, because the mean of its divisors is an integer number (1807288000).

Almost surely, 2^7228480261 is an apocalyptic number.

It is an amenable number.

7228480261 is a deficient number, since it is larger than the sum of its proper divisors (671739).

7228480261 is a wasteful number, since it uses less digits than its factorization.

7228480261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671738.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 7228480261 is about 85020.4696587828. The cubic root of 7228480261 is about 1933.5214741170.

The spelling of 7228480261 in words is "seven billion, two hundred twenty-eight million, four hundred eighty thousand, two hundred sixty-one".