47262281 has 4 divisors (see below), whose sum is σ = 51558864. Its totient is φ = 42965700.

The previous prime is 47262277. The next prime is 47262323. The reversal of 47262281 is 18226274.

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 not a de Polignac number, because 47262281 - 2² = 47262277 is a prime.

It is a super-2 number, since 2×47262281² = 4467446410645922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47262211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2148275 + ... + 2148296.

It is an arithmetic number, because the mean of its divisors is an integer number (12889716).

Almost surely, 2^47262281 is an apocalyptic number.

It is an amenable number.

47262281 is a deficient number, since it is larger than the sum of its proper divisors (4296583).

47262281 is a wasteful number, since it uses less digits than its factorization.

47262281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4296582.

The product of its digits is 10752, while the sum is 32.

The square root of 47262281 is about 6874.7567956983. The cubic root of 47262281 is about 361.5526585608.

It can be divided in two parts, 4726 and 2281, that added together give a palindrome (7007).

The spelling of 47262281 in words is "forty-seven million, two hundred sixty-two thousand, two hundred eighty-one".