1425224500 has 48 divisors (see below), whose sum is σ = 3557369088. Its totient is φ = 488647200.

The previous prime is 1425224483. The next prime is 1425224503. The reversal of 1425224500 is 54225241.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425224503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200104 + ... + 207103.

It is an arithmetic number, because the mean of its divisors is an integer number (74111856).

Almost surely, 2^1425224500 is an apocalyptic number.

1425224500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1425224500 is an abundant number, since it is smaller than the sum of its proper divisors (2132144588).

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

1425224500 is a wasteful number, since it uses less digits than its factorization.

1425224500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407233 (or 407221 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 1425224500 is about 37752.1456343875. The cubic root of 1425224500 is about 1125.3676493866.

Adding to 1425224500 its reverse (54225241), we get a palindrome (1479449741).

The spelling of 1425224500 in words is "one billion, four hundred twenty-five million, two hundred twenty-four thousand, five hundred".