226612225 has 24 divisors (see below), whose sum is σ = 321729408. Its totient is φ = 155107200.

The previous prime is 226612223. The next prime is 226612229. The reversal of 226612225 is 522216622.

It is not a de Polignac number, because 226612225 - 2¹ = 226612223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 226612193 and 226612202.

It is not an unprimeable number, because it can be changed into a prime (226612223) 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, 149220 + ... + 150730.

It is an arithmetic number, because the mean of its divisors is an integer number (13405392).

Almost surely, 2^226612225 is an apocalyptic number.

226612225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

226612225 is a deficient number, since it is larger than the sum of its proper divisors (95117183).

226612225 is a wasteful number, since it uses less digits than its factorization.

226612225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385 (or 2380 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 226612225 is about 15053.6449074634. The cubic root of 226612225 is about 609.6694661864.

Adding to 226612225 its reverse (522216622), we get a palindrome (748828847).

The spelling of 226612225 in words is "two hundred twenty-six million, six hundred twelve thousand, two hundred twenty-five".