1022021093 has 4 divisors (see below), whose sum is σ = 1031572800. Its totient is φ = 1012469388.

The previous prime is 1022021089. The next prime is 1022021111. The reversal of 1022021093 is 3901202201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1022021093 - 2² = 1022021089 is a prime.

It is a super-2 number, since 2×1022021093² = 2089054229073829298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022021083) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 4775693 + ... + 4775906.

It is an arithmetic number, because the mean of its divisors is an integer number (257893200).

Almost surely, 2^1022021093 is an apocalyptic number.

It is an amenable number.

1022021093 is a deficient number, since it is larger than the sum of its proper divisors (9551707).

1022021093 is an equidigital number, since it uses as much as digits as its factorization.

1022021093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9551706.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1022021093 is about 31969.0646250403. The cubic root of 1022021093 is about 1007.2871330376.

Adding to 1022021093 its reverse (3901202201), we get a palindrome (4923223294).

It can be divided in two parts, 10220 and 21093, that added together give a palindrome (31313).

The spelling of 1022021093 in words is "one billion, twenty-two million, twenty-one thousand, ninety-three".