1023221022 has 32 divisors (see below), whose sum is σ = 2159118720. Its totient is φ = 322377120.

The previous prime is 1023221009. The next prime is 1023221029. The reversal of 1023221022 is 2201223201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1023220992 and 1023221010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023221029) 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 15 ways as a sum of consecutive naturals, for example, 40372 + ... + 60632.

It is an arithmetic number, because the mean of its divisors is an integer number (67472460).

Almost surely, 2^1023221022 is an apocalyptic number.

1023221022 is an abundant number, since it is smaller than the sum of its proper divisors (1135897698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023221022 is a wasteful number, since it uses less digits than its factorization.

1023221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20728.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1023221022 is about 31987.8261530852. The cubic root of 1023221022 is about 1007.6811889381.

Adding to 1023221022 its reverse (2201223201), we get a palindrome (3224444223).

The spelling of 1023221022 in words is "one billion, twenty-three million, two hundred twenty-one thousand, twenty-two".