1425225248 has 48 divisors (see below), whose sum is σ = 2917845504. Its totient is φ = 684526080.

The previous prime is 1425225247. The next prime is 1425225251. The reversal of 1425225248 is 8425225241.

It is not an unprimeable number, because it can be changed into a prime (1425225247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130661 + ... + 141147.

It is an arithmetic number, because the mean of its divisors is an integer number (60788448).

Almost surely, 2^1425225248 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 1425225248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1458922752).

1425225248 is an abundant number, since it is smaller than the sum of its proper divisors (1492620256).

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

1425225248 is a wasteful number, since it uses less digits than its factorization.

1425225248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10665 (or 10657 counting only the distinct ones).

The product of its digits is 51200, while the sum is 35.

The square root of 1425225248 is about 37752.1555411078. The cubic root of 1425225248 is about 1125.3678462620.

The spelling of 1425225248 in words is "one billion, four hundred twenty-five million, two hundred twenty-five thousand, two hundred forty-eight".