1022016538 has 4 divisors (see below), whose sum is σ = 1533024810. Its totient is φ = 511008268.

The previous prime is 1022016511. The next prime is 1022016547. The reversal of 1022016538 is 8356102201.

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

It can be written as a sum of positive squares in only one way, i.e., 1021889089 + 127449 = 31967^2 + 357^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 255504133 + ... + 255504136.

Almost surely, 2^1022016538 is an apocalyptic number.

1022016538 is a deficient number, since it is larger than the sum of its proper divisors (511008272).

1022016538 is an equidigital number, since it uses as much as digits as its factorization.

1022016538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511008271.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1022016538 is about 31968.9933842153. The cubic root of 1022016538 is about 1007.2856365911.

Adding to 1022016538 its reverse (8356102201), we get a palindrome (9378118739).

The spelling of 1022016538 in words is "one billion, twenty-two million, sixteen thousand, five hundred thirty-eight".