1225441 has 12 divisors (see below), whose sum is σ = 1446660. Its totient is φ = 1034880.

The previous prime is 1225409. The next prime is 1225459. The reversal of 1225441 is 1445221.

It can be written as a sum of positive squares in 2 ways, for example, as 519841 + 705600 = 721^2 + 840^2 .

It is not a de Polignac number, because 1225441 - 2⁵ = 1225409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1225541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4221 + ... + 4501.

It is an arithmetic number, because the mean of its divisors is an integer number (120555).

2^1225441 is an apocalyptic number.

It is an amenable number.

1225441 is a deficient number, since it is larger than the sum of its proper divisors (221219).

1225441 is an equidigital number, since it uses as much as digits as its factorization.

1225441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 377 counting only the distinct ones).

The product of its digits is 320, while the sum is 19.

The square root of 1225441 is about 1106.9963866246. The cubic root of 1225441 is about 107.0115863658.

It can be divided in two parts, 1225 and 441, that multiplied together give a square (540225 = 735²).

The spelling of 1225441 in words is "one million, two hundred twenty-five thousand, four hundred forty-one".