22211302985 has 16 divisors (see below), whose sum is σ = 26949806352. Its totient is φ = 17571840000.

The previous prime is 22211302973. The next prime is 22211302987. The reversal of 22211302985 is 58920311222.

It can be written as a sum of positive squares in 8 ways, for example, as 3870830656 + 18340472329 = 62216^2 + 135427^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22211302985 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22211302987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613385 + ... + 648585.

It is an arithmetic number, because the mean of its divisors is an integer number (1684362897).

Almost surely, 2^22211302985 is an apocalyptic number.

It is an amenable number.

22211302985 is a deficient number, since it is larger than the sum of its proper divisors (4738503367).

22211302985 is a wasteful number, since it uses less digits than its factorization.

22211302985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36604.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 22211302985 in words is "twenty-two billion, two hundred eleven million, three hundred two thousand, nine hundred eighty-five".