1065224643 has 8 divisors (see below), whose sum is σ = 1623199488. Its totient is φ = 608699784.

The previous prime is 1065224623. The next prime is 1065224659. The reversal of 1065224643 is 3464225601.

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

It is not a de Polignac number, because 1065224643 - 2¹⁶ = 1065159107 is a prime.

It is a super-2 number, since 2×1065224643² = 2269407080108954898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1065224603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25362471 + ... + 25362512.

It is an arithmetic number, because the mean of its divisors is an integer number (202899936).

Almost surely, 2^1065224643 is an apocalyptic number.

1065224643 is a deficient number, since it is larger than the sum of its proper divisors (557974845).

1065224643 is an equidigital number, since it uses as much as digits as its factorization.

1065224643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50724993.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 1065224643 is about 32637.7793821822. The cubic root of 1065224643 is about 1021.2852704093.

The spelling of 1065224643 in words is "one billion, sixty-five million, two hundred twenty-four thousand, six hundred forty-three".