1044322220 has 24 divisors (see below), whose sum is σ = 2193963408. Its totient is φ = 417560000.

The previous prime is 1044322217. The next prime is 1044322231. The reversal of 1044322220 is 222234401.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1044322192 and 1044322201.

It is an unprimeable number.

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, 48095 + ... + 66345.

It is an arithmetic number, because the mean of its divisors is an integer number (91415142).

Almost surely, 2^1044322220 is an apocalyptic number.

1044322220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044322220 is an abundant number, since it is smaller than the sum of its proper divisors (1149641188).

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

1044322220 is a wasteful number, since it uses less digits than its factorization.

1044322220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21121 (or 21119 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1044322220 is about 32315.9746874514. The cubic root of 1044322220 is about 1014.5610209113.

Adding to 1044322220 its reverse (222234401), we get a palindrome (1266556621).

The spelling of 1044322220 in words is "one billion, forty-four million, three hundred twenty-two thousand, two hundred twenty".