672202281 has 16 divisors (see below), whose sum is σ = 942897600. Its totient is φ = 425345088.

The previous prime is 672202277. The next prime is 672202291. The reversal of 672202281 is 182202276.

It is not a de Polignac number, because 672202281 - 2² = 672202277 is a prime.

It is a super-2 number, since 2×672202281² = 903711813163205922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (672202211) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 60346 + ... + 70611.

It is an arithmetic number, because the mean of its divisors is an integer number (58931100).

Almost surely, 2^672202281 is an apocalyptic number.

It is an amenable number.

672202281 is a deficient number, since it is larger than the sum of its proper divisors (270695319).

672202281 is a wasteful number, since it uses less digits than its factorization.

672202281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131048.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 672202281 is about 25926.8640795604. The cubic root of 672202281 is about 875.9917054218.

The spelling of 672202281 in words is "six hundred seventy-two million, two hundred two thousand, two hundred eighty-one".