1954223705 has 32 divisors (see below), whose sum is σ = 2706407424. Its totient is φ = 1326949056.

The previous prime is 1954223693. The next prime is 1954223737. The reversal of 1954223705 is 5073224591.

It is a cyclic number.

It is not a de Polignac number, because 1954223705 - 2⁸ = 1954223449 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1771184 + ... + 1772286.

It is an arithmetic number, because the mean of its divisors is an integer number (84575232).

Almost surely, 2^1954223705 is an apocalyptic number.

It is an amenable number.

1954223705 is a deficient number, since it is larger than the sum of its proper divisors (752183719).

1954223705 is a wasteful number, since it uses less digits than its factorization.

1954223705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 1954223705 is about 44206.6025046033. The cubic root of 1954223705 is about 1250.2343464626.

The spelling of 1954223705 in words is "one billion, nine hundred fifty-four million, two hundred twenty-three thousand, seven hundred five".