220466377 has 2 divisors, whose sum is σ = 220466378. Its totient is φ = 220466376.

The previous prime is 220466341. The next prime is 220466401. The reversal of 220466377 is 773664022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148742416 + 71723961 = 12196^2 + 8469^2 .

It is a cyclic number.

It is not a de Polignac number, because 220466377 - 2¹¹ = 220464329 is a prime.

It is a super-2 number, since 2×220466377² = 97210846775012258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220466317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110233188 + 110233189.

It is an arithmetic number, because the mean of its divisors is an integer number (110233189).

Almost surely, 2^220466377 is an apocalyptic number.

It is an amenable number.

220466377 is a deficient number, since it is larger than the sum of its proper divisors (1).

220466377 is an equidigital number, since it uses as much as digits as its factorization.

220466377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 220466377 is about 14848.1102164552. The cubic root of 220466377 is about 604.1073528538.

The spelling of 220466377 in words is "two hundred twenty million, four hundred sixty-six thousand, three hundred seventy-seven".