1425225242 has 64 divisors (see below), whose sum is σ = 2579005440. Its totient is φ = 577886400.

The previous prime is 1425225233. The next prime is 1425225247. The reversal of 1425225242 is 2425225241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

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 31 ways as a sum of consecutive naturals, for example, 6754517 + ... + 6754727.

It is an arithmetic number, because the mean of its divisors is an integer number (40296960).

Almost surely, 2^1425225242 is an apocalyptic number.

1425225242 is a deficient number, since it is larger than the sum of its proper divisors (1153780198).

1425225242 is a wasteful number, since it uses less digits than its factorization.

1425225242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507.

The product of its digits is 12800, while the sum is 29.

The square root of 1425225242 is about 37752.1554616422. The cubic root of 1425225242 is about 1125.3678446828.

Subtracting 1425225242 from its reverse (2425225241), we obtain a palindrome (999999999).

The spelling of 1425225242 in words is "one billion, four hundred twenty-five million, two hundred twenty-five thousand, two hundred forty-two".