1773828222428 has 12 divisors (see below), whose sum is σ = 3104209294032. Its totient is φ = 886911281280.

The previous prime is 1773828222389. The next prime is 1773828222443. The reversal of 1773828222428 is 8242228283771.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401113 + ... + 2347503.

It is an arithmetic number, because the mean of its divisors is an integer number (258684107836).

Almost surely, 2^{1773828222428} is an apocalyptic number.

It is an amenable number.

1773828222428 is a deficient number, since it is larger than the sum of its proper divisors (1330381071604).

1773828222428 is a wasteful number, since it uses less digits than its factorization.

1773828222428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414972 (or 1414970 counting only the distinct ones).

The product of its digits is 9633792, while the sum is 56.

The spelling of 1773828222428 in words is "one trillion, seven hundred seventy-three billion, eight hundred twenty-eight million, two hundred twenty-two thousand, four hundred twenty-eight".