222000231 has 4 divisors (see below), whose sum is σ = 296000312. Its totient is φ = 148000152.

The previous prime is 222000217. The next prime is 222000241. The reversal of 222000231 is 132000222.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 222000231 - 2¹³ = 221992039 is a prime.

It is a super-2 number, since 2×222000231² = 98568205128106722, which contains 22 as substring.

It is a Duffinian number.

222000231 is a modest number, since divided by 231 gives 222 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222000241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37000036 + ... + 37000041.

It is an arithmetic number, because the mean of its divisors is an integer number (74000078).

Almost surely, 2^222000231 is an apocalyptic number.

222000231 is a deficient number, since it is larger than the sum of its proper divisors (74000081).

222000231 is an equidigital number, since it uses as much as digits as its factorization.

222000231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74000080.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 222000231 is about 14899.6721776018. The cubic root of 222000231 is about 605.5051046685.

Adding to 222000231 its reverse (132000222), we get a palindrome (354000453).

Subtracting from 222000231 its reverse (132000222), we obtain a palindrome (90000009).

The spelling of 222000231 in words is "two hundred twenty-two million, two hundred thirty-one", and thus it is an aban number.