180223894 has 16 divisors (see below), whose sum is σ = 279659520. Its totient is φ = 87016680.

The previous prime is 180223889. The next prime is 180223921. The reversal of 180223894 is 498322081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28297 + ... + 34075.

It is an arithmetic number, because the mean of its divisors is an integer number (17478720).

Almost surely, 2^180223894 is an apocalyptic number.

180223894 is a deficient number, since it is larger than the sum of its proper divisors (99435626).

180223894 is a wasteful number, since it uses less digits than its factorization.

180223894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6315.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 180223894 is about 13424.7493086463. The cubic root of 180223894 is about 564.8556229109.

The spelling of 180223894 in words is "one hundred eighty million, two hundred twenty-three thousand, eight hundred ninety-four".