2220210823 has 2 divisors, whose sum is σ = 2220210824. Its totient is φ = 2220210822.

The previous prime is 2220210791. The next prime is 2220210841. The reversal of 2220210823 is 3280120222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2220210823 - 2⁵ = 2220210791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2220210794 and 2220210803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220210893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110105411 + 1110105412.

It is an arithmetic number, because the mean of its divisors is an integer number (1110105412).

Almost surely, 2^2220210823 is an apocalyptic number.

2220210823 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220210823 is an equidigital number, since it uses as much as digits as its factorization.

2220210823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2220210823 is about 47119.1131389376. The cubic root of 2220210823 is about 1304.5620434548.

The spelling of 2220210823 in words is "two billion, two hundred twenty million, two hundred ten thousand, eight hundred twenty-three".