222000203231 has 16 divisors (see below), whose sum is σ = 227462620800. Its totient is φ = 216598170528.

The previous prime is 222000203219. The next prime is 222000203251. The reversal of 222000203231 is 132302000222.

It is a cyclic number.

It is not a de Polignac number, because 222000203231 - 2¹⁸ = 221999941087 is a prime.

It is a super-2 number, since 2×222000203231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222000203251) 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, 7091345 + ... + 7122581.

It is an arithmetic number, because the mean of its divisors is an integer number (14216413800).

Almost surely, 2^222000203231 is an apocalyptic number.

222000203231 is a deficient number, since it is larger than the sum of its proper divisors (5462417569).

222000203231 is a wasteful number, since it uses less digits than its factorization.

222000203231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32198.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 222000203231 its reverse (132302000222), we get a palindrome (354302203453).

The spelling of 222000203231 in words is "two hundred twenty-two billion, two hundred three thousand, two hundred thirty-one".