7923225 has 24 divisors (see below), whose sum is σ = 13258080. Its totient is φ = 4174720.

The previous prime is 7923211. The next prime is 7923239. The reversal of 7923225 is 5223297.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7923211) and next prime (7923239).

It is not a de Polignac number, because 7923225 - 2⁵ = 7923193 is a prime.

It is a Curzon number.

7923225 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7923192 and 7923201.

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, 6082 + ... + 7268.

It is an arithmetic number, because the mean of its divisors is an integer number (552420).

Almost surely, 2^7923225 is an apocalyptic number.

7923225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7923225 is a deficient number, since it is larger than the sum of its proper divisors (5334855).

7923225 is a wasteful number, since it uses less digits than its factorization.

7923225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289 (or 1284 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 7923225 is about 2814.8223745025. The cubic root of 7923225 is about 199.3581506841.

The spelling of 7923225 in words is "seven million, nine hundred twenty-three thousand, two hundred twenty-five".