1225595448 has 480 divisors, whose sum is σ = 4543743600. Its totient is φ = 307359360.

The previous prime is 1225595443. The next prime is 1225595489. The reversal of 1225595448 is 8445955221.

1225595448 is a `hidden beast` number, since 1 + 2 + 2 + 559 + 54 + 48 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225595443) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 42261898 + ... + 42261926.

Almost surely, 2^1225595448 is an apocalyptic number.

1225595448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1225595448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2271871800).

1225595448 is an abundant number, since it is smaller than the sum of its proper divisors (3318148152).

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

1225595448 is a wasteful number, since it uses less digits than its factorization.

1225595448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 52 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 1225595448 is about 35008.5053665534. The cubic root of 1225595448 is about 1070.1608189875.

The spelling of 1225595448 in words is "one billion, two hundred twenty-five million, five hundred ninety-five thousand, four hundred forty-eight".