282072001 has 4 divisors (see below), whose sum is σ = 282127104. Its totient is φ = 282016900.

The previous prime is 282071983. The next prime is 282072059. The reversal of 282072001 is 100270282.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-282072001 is a prime.

It is a super-2 number, since 2×282072001² = 159129227496288002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (282072071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18985 + ... + 30406.

It is an arithmetic number, because the mean of its divisors is an integer number (70531776).

Almost surely, 2^282072001 is an apocalyptic number.

It is an amenable number.

282072001 is a deficient number, since it is larger than the sum of its proper divisors (55103).

282072001 is an equidigital number, since it uses as much as digits as its factorization.

282072001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55102.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 282072001 is about 16794.9992855016. Note that the first 3 decimals coincide. The cubic root of 282072001 is about 655.8230246189.

The spelling of 282072001 in words is "two hundred eighty-two million, seventy-two thousand, one".