222022209989 has 2 divisors, whose sum is σ = 222022209990. Its totient is φ = 222022209988.

The previous prime is 222022209979. The next prime is 222022210009. The reversal of 222022209989 is 989902220222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152613672964 + 69408537025 = 390658^2 + 263455^2 .

It is a cyclic number.

It is not a de Polignac number, because 222022209989 - 2¹⁶ = 222022144453 is a prime.

It is a super-2 number, since 2×222022209989² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222022209979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111011104994 + 111011104995.

It is an arithmetic number, because the mean of its divisors is an integer number (111011104995).

Almost surely, 2^222022209989 is an apocalyptic number.

It is an amenable number.

222022209989 is a deficient number, since it is larger than the sum of its proper divisors (1).

222022209989 is an equidigital number, since it uses as much as digits as its factorization.

222022209989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 222022209989 in words is "two hundred twenty-two billion, twenty-two million, two hundred nine thousand, nine hundred eighty-nine".