1225488 has 60 divisors (see below), whose sum is σ = 3496304. Its totient is φ = 369600.

The previous prime is 1225459. The next prime is 1225493. The reversal of 1225488 is 8845221.

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, 5703 + ... + 5913.

2^1225488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1225488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1748152).

1225488 is an abundant number, since it is smaller than the sum of its proper divisors (2270816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225488 is a wasteful number, since it uses less digits than its factorization.

1225488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 227 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

The square root of 1225488 is about 1107.0176150360. The cubic root of 1225488 is about 107.0129544394.

The spelling of 1225488 in words is "one million, two hundred twenty-five thousand, four hundred eighty-eight".