1022021038 has 4 divisors (see below), whose sum is σ = 1533031560. Its totient is φ = 511010518.

The previous prime is 1022021017. The next prime is 1022021071. The reversal of 1022021038 is 8301202201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8301202201 = 19 ⋅436905379.

It is a super-2 number, since 2×1022021038² = 2089054004229194888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255505258 + ... + 255505261.

It is an arithmetic number, because the mean of its divisors is an integer number (383257890).

Almost surely, 2^1022021038 is an apocalyptic number.

1022021038 is a deficient number, since it is larger than the sum of its proper divisors (511010522).

1022021038 is an equidigital number, since it uses as much as digits as its factorization.

1022021038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511010521.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1022021038 is about 31969.0637648337. The cubic root of 1022021038 is about 1007.2871149685.

Adding to 1022021038 its reverse (8301202201), we get a palindrome (9323223239).

The spelling of 1022021038 in words is "one billion, twenty-two million, twenty-one thousand, thirty-eight".