1226112442 has 8 divisors (see below), whose sum is σ = 1856042100. Its totient is φ = 607431744.

The previous prime is 1226112409. The next prime is 1226112443. The reversal of 1226112442 is 2442116221.

It can be written as a sum of positive squares in 2 ways, for example, as 1225070001 + 1042441 = 35001^2 + 1021^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1226112443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2811967 + ... + 2812402.

Almost surely, 2^1226112442 is an apocalyptic number.

1226112442 is a deficient number, since it is larger than the sum of its proper divisors (629929658).

1226112442 is a wasteful number, since it uses less digits than its factorization.

1226112442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5624480.

The product of its digits is 1536, while the sum is 25.

The square root of 1226112442 is about 35015.8884222577. Note that the first 3 decimals coincide. The cubic root of 1226112442 is about 1070.3112734589.

Adding to 1226112442 its reverse (2442116221), we get a palindrome (3668228663).

The spelling of 1226112442 in words is "one billion, two hundred twenty-six million, one hundred twelve thousand, four hundred forty-two".