2272730621 has 8 divisors (see below), whose sum is σ = 2681193984. Its totient is φ = 1885214160.

The previous prime is 2272730599. The next prime is 2272730623. The reversal of 2272730621 is 1260372722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2272730621 - 2²⁶ = 2205621757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272730623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5236490 + ... + 5236923.

It is an arithmetic number, because the mean of its divisors is an integer number (335149248).

Almost surely, 2^2272730621 is an apocalyptic number.

It is an amenable number.

2272730621 is a deficient number, since it is larger than the sum of its proper divisors (408463363).

2272730621 is a wasteful number, since it uses less digits than its factorization.

2272730621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10473451.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 2272730621 is about 47673.1645792473. The cubic root of 2272730621 is about 1314.7685928206.

The spelling of 2272730621 in words is "two billion, two hundred seventy-two million, seven hundred thirty thousand, six hundred twenty-one".