1605040389222 has 32 divisors (see below), whose sum is σ = 3330343296000. Its totient is φ = 515076044448.

The previous prime is 1605040389217. The next prime is 1605040389257. The reversal of 1605040389222 is 2229830405061.

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, 13231222 + ... + 13351977.

It is an arithmetic number, because the mean of its divisors is an integer number (104073228000).

Almost surely, 2^{1605040389222} is an apocalyptic number.

1605040389222 is an abundant number, since it is smaller than the sum of its proper divisors (1725302906778).

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

1605040389222 is a wasteful number, since it uses less digits than its factorization.

1605040389222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26583580.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 1605040389222 in words is "one trillion, six hundred five billion, forty million, three hundred eighty-nine thousand, two hundred twenty-two".