2272530621 has 16 divisors (see below), whose sum is σ = 3068581824. Its totient is φ = 1495774464.

The previous prime is 2272530619. The next prime is 2272530629. The reversal of 2272530621 is 1260352722.

It is not a de Polignac number, because 2272530621 - 2¹ = 2272530619 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272530629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 704805 + ... + 708021.

It is an arithmetic number, because the mean of its divisors is an integer number (191786364).

Almost surely, 2^2272530621 is an apocalyptic number.

It is an amenable number.

2272530621 is a deficient number, since it is larger than the sum of its proper divisors (796051203).

2272530621 is a wasteful number, since it uses less digits than its factorization.

2272530621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6140.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 2272530621 is about 47671.0669169466. The cubic root of 2272530621 is about 1314.7300252007.

The spelling of 2272530621 in words is "two billion, two hundred seventy-two million, five hundred thirty thousand, six hundred twenty-one".