1922040517 has 32 divisors (see below), whose sum is σ = 2179344384. Its totient is φ = 1687910400.

The previous prime is 1922040493. The next prime is 1922040559. The reversal of 1922040517 is 7150402291.

It is a de Polignac number, because none of the positive numbers 2^k-1922040517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1922040577) 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 31 ways as a sum of consecutive naturals, for example, 1080733 + ... + 1082509.

It is an arithmetic number, because the mean of its divisors is an integer number (68104512).

Almost surely, 2^1922040517 is an apocalyptic number.

It is an amenable number.

1922040517 is a deficient number, since it is larger than the sum of its proper divisors (257303867).

1922040517 is a wasteful number, since it uses less digits than its factorization.

1922040517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 1922040517 is about 43841.0825254122. The cubic root of 1922040517 is about 1243.3331493234. Note that the first 3 decimals are identical.

The spelling of 1922040517 in words is "one billion, nine hundred twenty-two million, forty thousand, five hundred seventeen".