2190223900085 has 16 divisors (see below), whose sum is σ = 2996939853936. Its totient is φ = 1522255162368.

The previous prime is 2190223900021. The next prime is 2190223900099. The reversal of 2190223900085 is 5800093220912.

It can be written as a sum of positive squares in 8 ways, for example, as 15761044849 + 2174462855236 = 125543^2 + 1474606^2 .

It is a cyclic number.

It is not a de Polignac number, because 2190223900085 - 2⁶ = 2190223900021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 991050434 + ... + 991052643.

It is an arithmetic number, because the mean of its divisors is an integer number (187308740871).

Almost surely, 2^{2190223900085} is an apocalyptic number.

It is an amenable number.

2190223900085 is a deficient number, since it is larger than the sum of its proper divisors (806715953851).

2190223900085 is a wasteful number, since it uses less digits than its factorization.

2190223900085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982103112.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 2190223900085 in words is "two trillion, one hundred ninety billion, two hundred twenty-three million, nine hundred thousand, eighty-five".