1226444042 has 8 divisors (see below), whose sum is σ = 1919651616. Its totient is φ = 586560172.

The previous prime is 1226444003. The next prime is 1226444047. The reversal of 1226444042 is 2404446221.

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

It is a junction number, because it is equal to n+sod(n) for n = 1226443996 and 1226444014.

It is not an unprimeable number, because it can be changed into a prime (1226444047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13330868 + ... + 13330959.

It is an arithmetic number, because the mean of its divisors is an integer number (239956452).

Almost surely, 2^1226444042 is an apocalyptic number.

1226444042 is a deficient number, since it is larger than the sum of its proper divisors (693207574).

1226444042 is a wasteful number, since it uses less digits than its factorization.

1226444042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26661852.

The product of its (nonzero) digits is 12288, while the sum is 29.

The square root of 1226444042 is about 35020.6230955419. The cubic root of 1226444042 is about 1070.4077527092.

The spelling of 1226444042 in words is "one billion, two hundred twenty-six million, four hundred forty-four thousand, forty-two".