1022542403 has 4 divisors (see below), whose sum is σ = 1022876520. Its totient is φ = 1022208288.

The previous prime is 1022542369. The next prime is 1022542439. The reversal of 1022542403 is 3042452201.

It is a happy number.

1022542403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022542403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022542603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162425 + ... + 168602.

It is an arithmetic number, because the mean of its divisors is an integer number (255719130).

Almost surely, 2^1022542403 is an apocalyptic number.

1022542403 is a deficient number, since it is larger than the sum of its proper divisors (334117).

1022542403 is an equidigital number, since it uses as much as digits as its factorization.

1022542403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334116.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1022542403 is about 31977.2169364377. The cubic root of 1022542403 is about 1007.4583687724.

Adding to 1022542403 its reverse (3042452201), we get a palindrome (4064994604).

The spelling of 1022542403 in words is "one billion, twenty-two million, five hundred forty-two thousand, four hundred three".