181038022 has 12 divisors (see below), whose sum is σ = 298488708. Its totient is φ = 82289900.

The previous prime is 181038007. The next prime is 181038071. The reversal of 181038022 is 220830181.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 373804 + ... + 374287.

It is an arithmetic number, because the mean of its divisors is an integer number (24874059).

Almost surely, 2^181038022 is an apocalyptic number.

181038022 is a deficient number, since it is larger than the sum of its proper divisors (117450686).

181038022 is a wasteful number, since it uses less digits than its factorization.

181038022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748115 (or 748104 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 181038022 is about 13455.0370493730. The cubic root of 181038022 is about 565.7048888798.

The spelling of 181038022 in words is "one hundred eighty-one million, thirty-eight thousand, twenty-two".