222530881 has 8 divisors (see below), whose sum is σ = 224527104. Its totient is φ = 220540320.

The previous prime is 222530851. The next prime is 222530899. The reversal of 222530881 is 188035222.

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 222530881 - 2⁵ = 222530849 is a prime.

It is a super-2 number, since 2×222530881² = 99039985997272322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222530851) 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, 123916 + ... + 125698.

It is an arithmetic number, because the mean of its divisors is an integer number (28065888).

Almost surely, 2^222530881 is an apocalyptic number.

It is an amenable number.

222530881 is a deficient number, since it is larger than the sum of its proper divisors (1996223).

222530881 is a wasteful number, since it uses less digits than its factorization.

222530881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 222530881 is about 14917.4689877338. The cubic root of 222530881 is about 605.9871696500.

The spelling of 222530881 in words is "two hundred twenty-two million, five hundred thirty thousand, eight hundred eighty-one".