220197833 has 2 divisors, whose sum is σ = 220197834. Its totient is φ = 220197832.

The previous prime is 220197793. The next prime is 220197851. The reversal of 220197833 is 338791022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 175615504 + 44582329 = 13252^2 + 6677^2 .

It is a cyclic number.

It is not a de Polignac number, because 220197833 - 2¹² = 220193737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220197793 and 220197802.

It is not a weakly prime, because it can be changed into another prime (220197893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110098916 + 110098917.

It is an arithmetic number, because the mean of its divisors is an integer number (110098917).

Almost surely, 2^220197833 is an apocalyptic number.

It is an amenable number.

220197833 is a deficient number, since it is larger than the sum of its proper divisors (1).

220197833 is an equidigital number, since it uses as much as digits as its factorization.

220197833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 220197833 is about 14839.0644246866. The cubic root of 220197833 is about 603.8619710397.

The spelling of 220197833 in words is "two hundred twenty million, one hundred ninety-seven thousand, eight hundred thirty-three".