1003422381 has 16 divisors (see below), whose sum is σ = 1465235520. Its totient is φ = 607023360.

The previous prime is 1003422377. The next prime is 1003422391. The reversal of 1003422381 is 1832243001.

It is not a de Polignac number, because 1003422381 - 2² = 1003422377 is a prime.

It is a super-2 number, since 2×1003422381² = 2013712949383418322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003422391) 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 15 ways as a sum of consecutive naturals, for example, 215740 + ... + 220341.

It is an arithmetic number, because the mean of its divisors is an integer number (91577220).

Almost surely, 2^1003422381 is an apocalyptic number.

It is an amenable number.

1003422381 is a deficient number, since it is larger than the sum of its proper divisors (461813139).

1003422381 is a wasteful number, since it uses less digits than its factorization.

1003422381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436156.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1003422381 is about 31676.8429771655. The cubic root of 1003422381 is about 1001.1394947252.

Adding to 1003422381 its reverse (1832243001), we get a palindrome (2835665382).

The spelling of 1003422381 in words is "one billion, three million, four hundred twenty-two thousand, three hundred eighty-one".