1022745565 has 8 divisors (see below), whose sum is σ = 1227765600. Its totient is φ = 817882512.

The previous prime is 1022745541. The next prime is 1022745587. The reversal of 1022745565 is 5655472201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1022745565 - 2²³ = 1014356957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24399 + ... + 51388.

It is an arithmetic number, because the mean of its divisors is an integer number (153470700).

Almost surely, 2^1022745565 is an apocalyptic number.

It is an amenable number.

1022745565 is a deficient number, since it is larger than the sum of its proper divisors (205020035).

1022745565 is an equidigital number, since it uses as much as digits as its factorization.

1022745565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78491.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 1022745565 is about 31980.3934466104. The cubic root of 1022745565 is about 1007.5250860393.

The spelling of 1022745565 in words is "one billion, twenty-two million, seven hundred forty-five thousand, five hundred sixty-five".