1922764565 has 16 divisors (see below), whose sum is σ = 2485243200. Its totient is φ = 1423360512.

The previous prime is 1922764541. The next prime is 1922764601. The reversal of 1922764565 is 5654672291.

It is a cyclic number.

It is not a de Polignac number, because 1922764565 - 2⁸ = 1922764309 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231260 + ... + 239429.

It is an arithmetic number, because the mean of its divisors is an integer number (155327700).

Almost surely, 2^1922764565 is an apocalyptic number.

It is an amenable number.

1922764565 is a deficient number, since it is larger than the sum of its proper divisors (562478635).

1922764565 is a wasteful number, since it uses less digits than its factorization.

1922764565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470756.

The product of its digits is 907200, while the sum is 47.

The square root of 1922764565 is about 43849.3393906909. The cubic root of 1922764565 is about 1243.4892542293.

The spelling of 1922764565 in words is "one billion, nine hundred twenty-two million, seven hundred sixty-four thousand, five hundred sixty-five".