2170223366045 has 32 divisors (see below), whose sum is σ = 3040135704576. Its totient is φ = 1456248974400.

The previous prime is 2170223365997. The next prime is 2170223366063. The reversal of 2170223366045 is 5406633220712.

It is a happy number.

It is not a de Polignac number, because 2170223366045 - 2²² = 2170219171741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2170223365993 and 2170223366011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10110890 + ... + 10323300.

It is an arithmetic number, because the mean of its divisors is an integer number (95004240768).

Almost surely, 2^{2170223366045} is an apocalyptic number.

It is an amenable number.

2170223366045 is a deficient number, since it is larger than the sum of its proper divisors (869912338531).

2170223366045 is a wasteful number, since it uses less digits than its factorization.

2170223366045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218681.

The product of its (nonzero) digits is 362880, while the sum is 41.

Adding to 2170223366045 its reverse (5406633220712), we get a palindrome (7576856586757).

The spelling of 2170223366045 in words is "two trillion, one hundred seventy billion, two hundred twenty-three million, three hundred sixty-six thousand, forty-five".