220230881 has 16 divisors (see below), whose sum is σ = 250252800. Its totient is φ = 192129408.

The previous prime is 220230877. The next prime is 220230887. The reversal of 220230881 is 188032022.

It is a cyclic number.

It is not a de Polignac number, because 220230881 - 2² = 220230877 is a prime.

It is a super-2 number, since 2×220230881² = 97003281892072322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220230881.

It is not an unprimeable number, because it can be changed into a prime (220230887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139760 + ... + 141326.

It is an arithmetic number, because the mean of its divisors is an integer number (15640800).

Almost surely, 2^220230881 is an apocalyptic number.

It is an amenable number.

220230881 is a deficient number, since it is larger than the sum of its proper divisors (30021919).

220230881 is a wasteful number, since it uses less digits than its factorization.

220230881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 220230881 is about 14840.1779302002. The cubic root of 220230881 is about 603.8921793783.

The spelling of 220230881 in words is "two hundred twenty million, two hundred thirty thousand, eight hundred eighty-one".