1226225 has 48 divisors (see below), whose sum is σ = 2083200. Its totient is φ = 705600.

The previous prime is 1226213. The next prime is 1226237. The reversal of 1226225 is 5226221.

1226225 = T₁₉₆ + T₁₉₇ + ... + T₂₄₅.

It is an interprime number because it is at equal distance from previous prime (1226213) and next prime (1226237).

It is not a de Polignac number, because 1226225 - 2⁴ = 1226209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1226197 and 1226206.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94319 + ... + 94331.

It is an arithmetic number, because the mean of its divisors is an integer number (43400).

2^1226225 is an apocalyptic number.

It is an amenable number.

1226225 is a deficient number, since it is larger than the sum of its proper divisors (856975).

1226225 is a wasteful number, since it uses less digits than its factorization.

1226225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55 (or 36 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 1226225 is about 1107.3504413689. The cubic root of 1226225 is about 107.0344024237.

The spelling of 1226225 in words is "one million, two hundred twenty-six thousand, two hundred twenty-five".