2273042421 has 24 divisors (see below), whose sum is σ = 3546397400. Its totient is φ = 1394620416.

The previous prime is 2273042407. The next prime is 2273042503. The reversal of 2273042421 is 1242403722.

It can be written as a sum of positive squares in 4 ways, for example, as 414570321 + 1858472100 = 20361^2 + 43110^2 .

It is not a de Polignac number, because 2273042421 - 2⁷ = 2273042293 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 (2273042521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10605 + ... + 68253.

Almost surely, 2^2273042421 is an apocalyptic number.

It is an amenable number.

2273042421 is a deficient number, since it is larger than the sum of its proper divisors (1273354979).

2273042421 is a wasteful number, since it uses less digits than its factorization.

2273042421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58005 (or 58002 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 2273042421 is about 47676.4346506741. The cubic root of 2273042421 is about 1314.8287152269.

The spelling of 2273042421 in words is "two billion, two hundred seventy-three million, forty-two thousand, four hundred twenty-one".