1906226044 has 24 divisors (see below), whose sum is σ = 3395735280. Its totient is φ = 936047616.

The previous prime is 1906226033. The next prime is 1906226059. The reversal of 1906226044 is 4406226091.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283894 + ... + 290530.

It is an arithmetic number, because the mean of its divisors is an integer number (141488970).

Almost surely, 2^1906226044 is an apocalyptic number.

It is an amenable number.

1906226044 is a deficient number, since it is larger than the sum of its proper divisors (1489509236).

1906226044 is a wasteful number, since it uses less digits than its factorization.

1906226044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7917 (or 7915 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1906226044 is about 43660.3486472566. The cubic root of 1906226044 is about 1239.9137218846.

The spelling of 1906226044 in words is "one billion, nine hundred six million, two hundred twenty-six thousand, forty-four".