2281988293 has 8 divisors (see below), whose sum is σ = 2586869600. Its totient is φ = 1995584688.

The previous prime is 2281988273. The next prime is 2281988311. The reversal of 2281988293 is 3928891822.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2281988293 - 2²⁵ = 2248433861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2281988293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281988273) 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, 4619163 + ... + 4619656.

It is an arithmetic number, because the mean of its divisors is an integer number (323358700).

Almost surely, 2^2281988293 is an apocalyptic number.

It is an amenable number.

2281988293 is a deficient number, since it is larger than the sum of its proper divisors (304881307).

2281988293 is a wasteful number, since it uses less digits than its factorization.

2281988293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9238851.

The product of its digits is 995328, while the sum is 52.

The square root of 2281988293 is about 47770.1611154913. The cubic root of 2281988293 is about 1316.5513538992.

The spelling of 2281988293 in words is "two billion, two hundred eighty-one million, nine hundred eighty-eight thousand, two hundred ninety-three".