1022234021 has 32 divisors (see below), whose sum is σ = 1164948480. Its totient is φ = 891878400.

The previous prime is 1022233999. The next prime is 1022234051. The reversal of 1022234021 is 1204322201.

It is a cyclic number.

It is not a de Polignac number, because 1022234021 - 2¹⁸ = 1021971877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022234051) 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 31 ways as a sum of consecutive naturals, for example, 3224555 + ... + 3224871.

It is an arithmetic number, because the mean of its divisors is an integer number (36404640).

Almost surely, 2^1022234021 is an apocalyptic number.

It is an amenable number.

1022234021 is a deficient number, since it is larger than the sum of its proper divisors (142714459).

1022234021 is a wasteful number, since it uses less digits than its factorization.

1022234021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1022234021 is about 31972.3946710283. The cubic root of 1022234021 is about 1007.3570809551.

Adding to 1022234021 its reverse (1204322201), we get a palindrome (2226556222).

The spelling of 1022234021 in words is "one billion, twenty-two million, two hundred thirty-four thousand, twenty-one".