1022434645 has 8 divisors (see below), whose sum is σ = 1227277656. Its totient is φ = 817710336.

The previous prime is 1022434639. The next prime is 1022434649. The reversal of 1022434645 is 5464342201.

It can be written as a sum of positive squares in 4 ways, for example, as 71267364 + 951167281 = 8442^2 + 30841^2 .

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 1022434645 - 2⁵ = 1022434613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022434649) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9472 + ... + 46201.

It is an arithmetic number, because the mean of its divisors is an integer number (153409707).

Almost surely, 2^1022434645 is an apocalyptic number.

It is an amenable number.

1022434645 is a deficient number, since it is larger than the sum of its proper divisors (204843011).

1022434645 is an equidigital number, since it uses as much as digits as its factorization.

1022434645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59351.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 1022434645 is about 31975.5319736826. The cubic root of 1022434645 is about 1007.4229780599.

Adding to 1022434645 its reverse (5464342201), we get a palindrome (6486776846).

The spelling of 1022434645 in words is "one billion, twenty-two million, four hundred thirty-four thousand, six hundred forty-five".