2220999999989 has 2 divisors, whose sum is σ = 2220999999990. Its totient is φ = 2220999999988.

The previous prime is 2220999999983. The next prime is 2221000000027. The reversal of 2220999999989 is 9899999990222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1409123314225 + 811876685764 = 1187065^2 + 901042^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220999999989 - 2⁸ = 2220999999733 is a prime.

It is a super-2 number, since 2×2220999999989² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2220999999989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220999999983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110499999994 + 1110499999995.

It is an arithmetic number, because the mean of its divisors is an integer number (1110499999995).

Almost surely, 2^{2220999999989} is an apocalyptic number.

It is an amenable number.

2220999999989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220999999989 is an equidigital number, since it uses as much as digits as its factorization.

2220999999989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2754990144, while the sum is 86.

The spelling of 2220999999989 in words is "two trillion, two hundred twenty billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred eighty-nine".