103221430 has 16 divisors (see below), whose sum is σ = 200091024. Its totient is φ = 38112480.

The previous prime is 103221427. The next prime is 103221431. The reversal of 103221430 is 34122301.

It is a happy number.

It is a super-2 number, since 2×103221430² = 21309327222489800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103221431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396876 + ... + 397135.

It is an arithmetic number, because the mean of its divisors is an integer number (12505689).

Almost surely, 2^103221430 is an apocalyptic number.

103221430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103221430 is a deficient number, since it is larger than the sum of its proper divisors (96869594).

103221430 is a wasteful number, since it uses less digits than its factorization.

103221430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794031.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 103221430 is about 10159.7947813920. The cubic root of 103221430 is about 469.0904849487.

Adding to 103221430 its reverse (34122301), we get a palindrome (137343731).

The spelling of 103221430 in words is "one hundred three million, two hundred twenty-one thousand, four hundred thirty".