283972722 has 48 divisors (see below), whose sum is σ = 626270400. Its totient is φ = 85777120.

The previous prime is 283972681. The next prime is 283972763. The reversal of 283972722 is 227279382.

It is an interprime number because it is at equal distance from previous prime (283972681) and next prime (283972763).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 434548 + ... + 435200.

It is an arithmetic number, because the mean of its divisors is an integer number (13047300).

Almost surely, 2^283972722 is an apocalyptic number.

283972722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 283972722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313135200).

283972722 is an abundant number, since it is smaller than the sum of its proper divisors (342297678).

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

283972722 is a wasteful number, since it uses less digits than its factorization.

283972722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279 (or 1268 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 283972722 is about 16851.4902011662. The cubic root of 283972722 is about 657.2927996264.

The spelling of 283972722 in words is "two hundred eighty-three million, nine hundred seventy-two thousand, seven hundred twenty-two".