1022440043 has 8 divisors (see below), whose sum is σ = 1041126912. Its totient is φ = 1003919616.

The previous prime is 1022440031. The next prime is 1022440051. The reversal of 1022440043 is 3400442201.

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 1022440043 - 2⁸ = 1022439787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022439997 and 1022440024.

It is not an unprimeable number, because it can be changed into a prime (1022440343) 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, 29180 + ... + 53817.

It is an arithmetic number, because the mean of its divisors is an integer number (130140864).

Almost surely, 2^1022440043 is an apocalyptic number.

1022440043 is a deficient number, since it is larger than the sum of its proper divisors (18686869).

1022440043 is an equidigital number, since it uses as much as digits as its factorization.

1022440043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83221.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1022440043 is about 31975.6163818620. The cubic root of 1022440043 is about 1007.4247509718.

Adding to 1022440043 its reverse (3400442201), we get a palindrome (4422882244).

The spelling of 1022440043 in words is "one billion, twenty-two million, four hundred forty thousand, forty-three".