220553629 has 2 divisors, whose sum is σ = 220553630. Its totient is φ = 220553628.

The previous prime is 220553611. The next prime is 220553687. The reversal of 220553629 is 926355022.

It is a happy number.

220553629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170172025 + 50381604 = 13045^2 + 7098^2 .

It is a cyclic number.

It is not a de Polignac number, because 220553629 - 2⁹ = 220553117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220553594 and 220553603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220553689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110276814 + 110276815.

It is an arithmetic number, because the mean of its divisors is an integer number (110276815).

Almost surely, 2^220553629 is an apocalyptic number.

It is an amenable number.

220553629 is a deficient number, since it is larger than the sum of its proper divisors (1).

220553629 is an equidigital number, since it uses as much as digits as its factorization.

220553629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 220553629 is about 14851.0480774927. The cubic root of 220553629 is about 604.1870363918.

The spelling of 220553629 in words is "two hundred twenty million, five hundred fifty-three thousand, six hundred twenty-nine".