2207222785 has 16 divisors (see below), whose sum is σ = 2758325760. Its totient is φ = 1693681920.

The previous prime is 2207222779. The next prime is 2207222813. The reversal of 2207222785 is 5872227022.

It is not a de Polignac number, because 2207222785 - 2¹⁵ = 2207190017 is a prime.

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, 45495 + ... + 80524.

It is an arithmetic number, because the mean of its divisors is an integer number (172395360).

Almost surely, 2^2207222785 is an apocalyptic number.

It is an amenable number.

2207222785 is a deficient number, since it is larger than the sum of its proper divisors (551102975).

2207222785 is a wasteful number, since it uses less digits than its factorization.

2207222785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126168.

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 2207222785 is about 46981.0896531785. The cubic root of 2207222785 is about 1302.0132090923.

The spelling of 2207222785 in words is "two billion, two hundred seven million, two hundred twenty-two thousand, seven hundred eighty-five".