2205670445742 has 32 divisors (see below), whose sum is σ = 4418918507520. Its totient is φ = 733960755360.

The previous prime is 2205670445723. The next prime is 2205670445789. The reversal of 2205670445742 is 2475440765022.

It is a junction number, because it is equal to n+sod(n) for n = 2205670445691 and 2205670445700.

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, 64417767 + ... + 64451997.

It is an arithmetic number, because the mean of its divisors is an integer number (138091203360).

Almost surely, 2^{2205670445742} is an apocalyptic number.

2205670445742 is an abundant number, since it is smaller than the sum of its proper divisors (2213248061778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2205670445742 is a wasteful number, since it uses less digits than its factorization.

2205670445742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52368.

The product of its (nonzero) digits is 3763200, while the sum is 48.

The spelling of 2205670445742 in words is "two trillion, two hundred five billion, six hundred seventy million, four hundred forty-five thousand, seven hundred forty-two".