2231002181 has 8 divisors (see below), whose sum is σ = 2263140000. Its totient is φ = 2199093520.

The previous prime is 2231002171. The next prime is 2231002183. The reversal of 2231002181 is 1812001322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2231002181 - 2⁶ = 2231002117 is a prime.

It is a super-3 number, since 3×2231002181³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231002183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37631 + ... + 76668.

It is an arithmetic number, because the mean of its divisors is an integer number (282892500).

Almost surely, 2^2231002181 is an apocalyptic number.

It is an amenable number.

2231002181 is a deficient number, since it is larger than the sum of its proper divisors (32137819).

2231002181 is a wasteful number, since it uses less digits than its factorization.

2231002181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114579.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 2231002181 is about 47233.4858019181. The cubic root of 2231002181 is about 1306.6722407599.

The spelling of 2231002181 in words is "two billion, two hundred thirty-one million, two thousand, one hundred eighty-one".