220223893 has 2 divisors, whose sum is σ = 220223894. Its totient is φ = 220223892.

The previous prime is 220223891. The next prime is 220223917. The reversal of 220223893 is 398322022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171531409 + 48692484 = 13097^2 + 6978^2 .

It is a cyclic number.

It is not a de Polignac number, because 220223893 - 2¹ = 220223891 is a prime.

Together with 220223891, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220223891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110111946 + 110111947.

It is an arithmetic number, because the mean of its divisors is an integer number (110111947).

Almost surely, 2^220223893 is an apocalyptic number.

It is an amenable number.

220223893 is a deficient number, since it is larger than the sum of its proper divisors (1).

220223893 is an equidigital number, since it uses as much as digits as its factorization.

220223893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 220223893 is about 14839.9424864115. The cubic root of 220223893 is about 603.8857920767.

The spelling of 220223893 in words is "two hundred twenty million, two hundred twenty-three thousand, eight hundred ninety-three".