1002232044 has 72 divisors (see below), whose sum is σ = 2831184720. Its totient is φ = 296294400.

The previous prime is 1002232043. The next prime is 1002232079. The reversal of 1002232044 is 4402322001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1002232043) 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 23 ways as a sum of consecutive naturals, for example, 14629 + ... + 47100.

It is an arithmetic number, because the mean of its divisors is an integer number (39322010).

Almost surely, 2^1002232044 is an apocalyptic number.

It is an amenable number.

1002232044 is an abundant number, since it is smaller than the sum of its proper divisors (1828952676).

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

1002232044 is a wasteful number, since it uses less digits than its factorization.

1002232044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61791 (or 61786 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1002232044 is about 31658.0486448549. The cubic root of 1002232044 is about 1000.7434617942.

Adding to 1002232044 its reverse (4402322001), we get a palindrome (5404554045).

The spelling of 1002232044 in words is "one billion, two million, two hundred thirty-two thousand, forty-four".