1512225442 has 16 divisors (see below), whose sum is σ = 2791801152. Its totient is φ = 598242960.

The previous prime is 1512225437. The next prime is 1512225457. The reversal of 1512225442 is 2445222151.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1512225442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4154284 + ... + 4154647.

It is an arithmetic number, because the mean of its divisors is an integer number (174487572).

Almost surely, 2^1512225442 is an apocalyptic number.

1512225442 is a deficient number, since it is larger than the sum of its proper divisors (1279575710).

1512225442 is a wasteful number, since it uses less digits than its factorization.

1512225442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8308953.

The product of its digits is 6400, while the sum is 28.

The square root of 1512225442 is about 38887.3429537170. The cubic root of 1512225442 is about 1147.8157511449.

Adding to 1512225442 its reverse (2445222151), we get a palindrome (3957447593).

The spelling of 1512225442 in words is "one billion, five hundred twelve million, two hundred twenty-five thousand, four hundred forty-two".