103220397 has 24 divisors (see below), whose sum is σ = 170866176. Its totient is φ = 58820256.

The previous prime is 103220387. The next prime is 103220419. The reversal of 103220397 is 793022301.

It is not a de Polignac number, because 103220397 - 2¹⁰ = 103219373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103220397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103220347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22948 + ... + 27074.

It is an arithmetic number, because the mean of its divisors is an integer number (7119424).

Almost surely, 2^103220397 is an apocalyptic number.

It is an amenable number.

103220397 is a deficient number, since it is larger than the sum of its proper divisors (67645779).

103220397 is a wasteful number, since it uses less digits than its factorization.

103220397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4537 (or 4534 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 103220397 is about 10159.7439436238. The cubic root of 103220397 is about 469.0889201183.

Adding to 103220397 its reverse (793022301), we get a palindrome (896242698).

The spelling of 103220397 in words is "one hundred three million, two hundred twenty thousand, three hundred ninety-seven".