2275430721 has 16 divisors (see below), whose sum is σ = 3136009728. Its totient is φ = 1466035200.

The previous prime is 2275430681. The next prime is 2275430737. The reversal of 2275430721 is 1270345722.

It is not a de Polignac number, because 2275430721 - 2¹⁹ = 2274906433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2275431721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54241 + ... + 86561.

It is an arithmetic number, because the mean of its divisors is an integer number (196000608).

Almost surely, 2^2275430721 is an apocalyptic number.

It is an amenable number.

2275430721 is a deficient number, since it is larger than the sum of its proper divisors (860579007).

2275430721 is a wasteful number, since it uses less digits than its factorization.

2275430721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33112.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 2275430721 is about 47701.4750400865. The cubic root of 2275430721 is about 1315.2890536441.

The spelling of 2275430721 in words is "two billion, two hundred seventy-five million, four hundred thirty thousand, seven hundred twenty-one".