2281789276 has 48 divisors (see below), whose sum is σ = 4402944000. Its totient is φ = 1028111040.

The previous prime is 2281789261. The next prime is 2281789291. The reversal of 2281789276 is 6729871822.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2281789261) and next prime (2281789291).

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1218621 + ... + 1220491.

It is an arithmetic number, because the mean of its divisors is an integer number (91728000).

Almost surely, 2^2281789276 is an apocalyptic number.

2281789276 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2281789276 is a deficient number, since it is larger than the sum of its proper divisors (2121154724).

2281789276 is a wasteful number, since it uses less digits than its factorization.

2281789276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434 (or 2432 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 52.

The square root of 2281789276 is about 47768.0780019460. The cubic root of 2281789276 is about 1316.5130797154.

The spelling of 2281789276 in words is "two billion, two hundred eighty-one million, seven hundred eighty-nine thousand, two hundred seventy-six".