1425662225 has 12 divisors (see below), whose sum is σ = 1903807836. Its totient is φ = 1052796480.

The previous prime is 1425662221. The next prime is 1425662237. The reversal of 1425662225 is 5222665241.

It can be written as a sum of positive squares in 6 ways, for example, as 104121616 + 1321540609 = 10204^2 + 36353^2 .

It is not a de Polignac number, because 1425662225 - 2² = 1425662221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1425662221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2193002 + ... + 2193651.

It is an arithmetic number, because the mean of its divisors is an integer number (158650653).

Almost surely, 2^1425662225 is an apocalyptic number.

It is an amenable number.

1425662225 is a deficient number, since it is larger than the sum of its proper divisors (478145611).

1425662225 is a wasteful number, since it uses less digits than its factorization.

1425662225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4386676 (or 4386671 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 1425662225 is about 37757.9425419341. The cubic root of 1425662225 is about 1125.4828478770.

The spelling of 1425662225 in words is "one billion, four hundred twenty-five million, six hundred sixty-two thousand, two hundred twenty-five".