1003422330 has 144 divisors (see below), whose sum is σ = 2807741664. Its totient is φ = 257826240.

The previous prime is 1003422313. The next prime is 1003422337. The reversal of 1003422330 is 332243001.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1003422337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2043385 + ... + 2043875.

It is an arithmetic number, because the mean of its divisors is an integer number (19498206).

Almost surely, 2^1003422330 is an apocalyptic number.

1003422330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1003422330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1403870832).

1003422330 is an abundant number, since it is smaller than the sum of its proper divisors (1804319334).

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

1003422330 is an equidigital number, since it uses as much as digits as its factorization.

1003422330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1003422330 is about 31676.8421721610. The cubic root of 1003422330 is about 1001.1394777639.

Adding to 1003422330 its reverse (332243001), we get a palindrome (1335665331).

The spelling of 1003422330 in words is "one billion, three million, four hundred twenty-two thousand, three hundred thirty".