4772181 has 4 divisors (see below), whose sum is σ = 6362912. Its totient is φ = 3181452.

The previous prime is 4772179. The next prime is 4772191. The reversal of 4772181 is 1812774.

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 not a de Polignac number, because 4772181 - 2¹ = 4772179 is a prime.

It is a super-2 number, since 2×4772181² = 45547422993522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4772111) 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, 795361 + ... + 795366.

It is an arithmetic number, because the mean of its divisors is an integer number (1590728).

Almost surely, 2^4772181 is an apocalyptic number.

It is an amenable number.

4772181 is a deficient number, since it is larger than the sum of its proper divisors (1590731).

4772181 is a wasteful number, since it uses less digits than its factorization.

4772181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590730.

The product of its digits is 3136, while the sum is 30.

The square root of 4772181 is about 2184.5322153724. The cubic root of 4772181 is about 168.3600201674.

The spelling of 4772181 in words is "four million, seven hundred seventy-two thousand, one hundred eighty-one".