1425443522 has 16 divisors (see below), whose sum is σ = 2146950144. Its totient is φ = 709800000.

The previous prime is 1425443497. The next prime is 1425443527. The reversal of 1425443522 is 2253445241.

It is not an unprimeable number, because it can be changed into a prime (1425443527) 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, 729647 + ... + 731597.

It is an arithmetic number, because the mean of its divisors is an integer number (134184384).

Almost surely, 2^1425443522 is an apocalyptic number.

1425443522 is a deficient number, since it is larger than the sum of its proper divisors (721506622).

1425443522 is a wasteful number, since it uses less digits than its factorization.

1425443522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3265.

The product of its digits is 38400, while the sum is 32.

The square root of 1425443522 is about 37755.0463117184. The cubic root of 1425443522 is about 1125.4252935562.

Adding to 1425443522 its reverse (2253445241), we get a palindrome (3678888763).

The spelling of 1425443522 in words is "one billion, four hundred twenty-five million, four hundred forty-three thousand, five hundred twenty-two".