1605470772422 has 64 divisors (see below), whose sum is σ = 2748582331200. Its totient is φ = 696615360000.

The previous prime is 1605470772407. The next prime is 1605470772431. The reversal of 1605470772422 is 2242770745061.

It is a super-2 number, since 2×1605470772422² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45668972 + ... + 45704112.

It is an arithmetic number, because the mean of its divisors is an integer number (42946598925).

Almost surely, 2^{1605470772422} is an apocalyptic number.

1605470772422 is a deficient number, since it is larger than the sum of its proper divisors (1143111558778).

1605470772422 is a wasteful number, since it uses less digits than its factorization.

1605470772422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35993.

The product of its (nonzero) digits is 1317120, while the sum is 47.

The spelling of 1605470772422 in words is "one trillion, six hundred five billion, four hundred seventy million, seven hundred seventy-two thousand, four hundred twenty-two".