33220232222231 has 2 divisors, whose sum is σ = 33220232222232. Its totient is φ = 33220232222230.

The previous prime is 33220232222201. The next prime is 33220232222267. The reversal of 33220232222231 is 13222223202233.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33220232222231 - 2⁶ = 33220232222167 is a prime.

It is a super-2 number, since 2×33220232222231² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 33220232222194 and 33220232222203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33220232222201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16610116111115 + 16610116111116.

It is an arithmetic number, because the mean of its divisors is an integer number (16610116111116).

Almost surely, 2^{33220232222231} is an apocalyptic number.

33220232222231 is a deficient number, since it is larger than the sum of its proper divisors (1).

33220232222231 is an equidigital number, since it uses as much as digits as its factorization.

33220232222231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 33220232222231 its reverse (13222223202233), we get a palindrome (46442455424464).

The spelling of 33220232222231 in words is "thirty-three trillion, two hundred twenty billion, two hundred thirty-two million, two hundred twenty-two thousand, two hundred thirty-one".