103220425 has 72 divisors (see below), whose sum is σ = 169007040. Its totient is φ = 60681600.

The previous prime is 103220419. The next prime is 103220431. The reversal of 103220425 is 524022301.

It is an interprime number because it is at equal distance from previous prime (103220419) and next prime (103220431).

It is not a de Polignac number, because 103220425 - 2¹¹ = 103218377 is a prime.

It is a super-2 number, since 2×103220425² = 21308912274361250, which contains 22 as substring.

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 71 ways as a sum of consecutive naturals, for example, 2400454 + ... + 2400496.

It is an arithmetic number, because the mean of its divisors is an integer number (2347320).

Almost surely, 2^103220425 is an apocalyptic number.

It is an amenable number.

103220425 is a deficient number, since it is larger than the sum of its proper divisors (65786615).

103220425 is a wasteful number, since it uses less digits than its factorization.

103220425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 103220425 is about 10159.7453216112. The cubic root of 103220425 is about 469.0889625340.

Adding to 103220425 its reverse (524022301), we get a palindrome (627242726).

The spelling of 103220425 in words is "one hundred three million, two hundred twenty thousand, four hundred twenty-five".