103722225 has 24 divisors (see below), whose sum is σ = 171780672. Its totient is φ = 55224000.

The previous prime is 103722209. The next prime is 103722233. The reversal of 103722225 is 522227301.

It is a happy number.

It is not a de Polignac number, because 103722225 - 2⁴ = 103722209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103722195 and 103722204.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79075 + ... + 80375.

It is an arithmetic number, because the mean of its divisors is an integer number (7157528).

Almost surely, 2^103722225 is an apocalyptic number.

103722225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103722225 is a deficient number, since it is larger than the sum of its proper divisors (68058447).

103722225 is a wasteful number, since it uses less digits than its factorization.

103722225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377 (or 2372 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 103722225 is about 10184.4108813421. The cubic root of 103722225 is about 469.8478834720.

Adding to 103722225 its reverse (522227301), we get a palindrome (625949526).

The spelling of 103722225 in words is "one hundred three million, seven hundred twenty-two thousand, two hundred twenty-five".