222973889 has 2 divisors, whose sum is σ = 222973890. Its totient is φ = 222973888.

The previous prime is 222973843. The next prime is 222973897. The reversal of 222973889 is 988379222.

222973889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151486864 + 71487025 = 12308^2 + 8455^2 .

It is a cyclic number.

It is not a de Polignac number, because 222973889 - 2²⁴ = 206196673 is a prime.

It is not a weakly prime, because it can be changed into another prime (222973589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111486944 + 111486945.

It is an arithmetic number, because the mean of its divisors is an integer number (111486945).

Almost surely, 2^222973889 is an apocalyptic number.

It is an amenable number.

222973889 is a deficient number, since it is larger than the sum of its proper divisors (1).

222973889 is an equidigital number, since it uses as much as digits as its factorization.

222973889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 50.

The square root of 222973889 is about 14932.3102365307. The cubic root of 222973889 is about 606.3890303027.

The spelling of 222973889 in words is "two hundred twenty-two million, nine hundred seventy-three thousand, eight hundred eighty-nine".