2281262368 has 144 divisors (see below), whose sum is σ = 5974964352. Its totient is φ = 836352000.

The previous prime is 2281262353. The next prime is 2281262371. The reversal of 2281262368 is 8632621822.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2281262368.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 458293 + ... + 463243.

It is an arithmetic number, because the mean of its divisors is an integer number (41492808).

Almost surely, 2^2281262368 is an apocalyptic number.

2281262368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2281262368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2987482176).

2281262368 is an abundant number, since it is smaller than the sum of its proper divisors (3693701984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2281262368 is a wasteful number, since it uses less digits than its factorization.

2281262368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5007 (or 4988 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 2281262368 is about 47762.5624103230. The cubic root of 2281262368 is about 1316.4117360487.

The spelling of 2281262368 in words is "two billion, two hundred eighty-one million, two hundred sixty-two thousand, three hundred sixty-eight".