220000400233 has 2 divisors, whose sum is σ = 220000400234. Its totient is φ = 220000400232.

The previous prime is 220000400219. The next prime is 220000400251. The reversal of 220000400233 is 332004000022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153473547049 + 66526853184 = 391757^2 + 257928^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220000400233 is a prime.

It is a super-2 number, since 2×220000400233² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220000401233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110000200116 + 110000200117.

It is an arithmetic number, because the mean of its divisors is an integer number (110000200117).

Almost surely, 2^220000400233 is an apocalyptic number.

It is an amenable number.

220000400233 is a deficient number, since it is larger than the sum of its proper divisors (1).

220000400233 is an equidigital number, since it uses as much as digits as its factorization.

220000400233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 220000400233 its reverse (332004000022), we get a palindrome (552004400255).

The spelling of 220000400233 in words is "two hundred twenty billion, four hundred thousand, two hundred thirty-three".