103322220 has 24 divisors (see below), whose sum is σ = 289302384. Its totient is φ = 27552576.

The previous prime is 103322213. The next prime is 103322237. The reversal of 103322220 is 22223301.

It is a super-2 number, since 2×103322220² = 21350962291456800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 103322220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860959 + ... + 861078.

It is an arithmetic number, because the mean of its divisors is an integer number (12054266).

Almost surely, 2^103322220 is an apocalyptic number.

103322220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103322220 is an abundant number, since it is smaller than the sum of its proper divisors (185980164).

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

103322220 is a wasteful number, since it uses less digits than its factorization.

103322220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722049 (or 1722047 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 103322220 is about 10164.7538091190. The cubic root of 103322220 is about 469.2431155593.

Adding to 103322220 its reverse (22223301), we get a palindrome (125545521).

The spelling of 103322220 in words is "one hundred three million, three hundred twenty-two thousand, two hundred twenty".