22746225 has 12 divisors (see below), whose sum is σ = 37607216. Its totient is φ = 12131280.

The previous prime is 22746203. The next prime is 22746239. The reversal of 22746225 is 52264722.

It is not a de Polignac number, because 22746225 - 2⁵ = 22746193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22746192 and 22746201.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151567 + ... + 151716.

Almost surely, 2^22746225 is an apocalyptic number.

22746225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22746225 is a deficient number, since it is larger than the sum of its proper divisors (14860991).

22746225 is a wasteful number, since it uses less digits than its factorization.

22746225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303296 (or 303291 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 22746225 is about 4769.3002631413. The cubic root of 22746225 is about 283.3368819240.

The spelling of 22746225 in words is "twenty-two million, seven hundred forty-six thousand, two hundred twenty-five".