1993448922 has 16 divisors (see below), whose sum is σ = 4124377440. Its totient is φ = 641569712.

The previous prime is 1993448921. The next prime is 1993448927. The reversal of 1993448922 is 2298443991.

It is not an unprimeable number, because it can be changed into a prime (1993448921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5728128 + ... + 5728475.

It is an arithmetic number, because the mean of its divisors is an integer number (257773590).

Almost surely, 2^1993448922 is an apocalyptic number.

1993448922 is an abundant number, since it is smaller than the sum of its proper divisors (2130928518).

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

1993448922 is a wasteful number, since it uses less digits than its factorization.

1993448922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11456637.

The product of its digits is 1119744, while the sum is 51.

The square root of 1993448922 is about 44648.0561950910. The cubic root of 1993448922 is about 1258.5439049894.

The spelling of 1993448922 in words is "one billion, nine hundred ninety-three million, four hundred forty-eight thousand, nine hundred twenty-two".