1225430442 has 24 divisors (see below), whose sum is σ = 2656985760. Its totient is φ = 408186600.

The previous prime is 1225430411. The next prime is 1225430471. The reversal of 1225430442 is 2440345221.

1225430442 is a `hidden beast` number, since 1 + 225 + 430 + 4 + 4 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2659 + ... + 49577.

It is an arithmetic number, because the mean of its divisors is an integer number (110707740).

Almost surely, 2^1225430442 is an apocalyptic number.

1225430442 is an abundant number, since it is smaller than the sum of its proper divisors (1431555318).

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

1225430442 is a wasteful number, since it uses less digits than its factorization.

1225430442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48378 (or 48375 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 1225430442 is about 35006.1486313476. The cubic root of 1225430442 is about 1070.1127903928.

Adding to 1225430442 its reverse (2440345221), we get a palindrome (3665775663).

The spelling of 1225430442 in words is "one billion, two hundred twenty-five million, four hundred thirty thousand, four hundred forty-two".