1226006444 has 36 divisors (see below), whose sum is σ = 2424287376. Its totient is φ = 541240128.

The previous prime is 1226006437. The next prime is 1226006461. The reversal of 1226006444 is 4446006221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23879 + ... + 54974.

It is an arithmetic number, because the mean of its divisors is an integer number (67341316).

Almost surely, 2^1226006444 is an apocalyptic number.

It is an amenable number.

1226006444 is a deficient number, since it is larger than the sum of its proper divisors (1198280932).

1226006444 is a wasteful number, since it uses less digits than its factorization.

1226006444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78906 (or 78891 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 1226006444 is about 35014.3748194938. The cubic root of 1226006444 is about 1070.2804295982.

The spelling of 1226006444 in words is "one billion, two hundred twenty-six million, six thousand, four hundred forty-four".