1022423020 has 24 divisors (see below), whose sum is σ = 2155263264. Its totient is φ = 407412096.

The previous prime is 1022422987. The next prime is 1022423021. The reversal of 1022423020 is 203242201.

It is a junction number, because it is equal to n+sod(n) for n = 1022422985 and 1022423003.

It is not an unprimeable number, because it can be changed into a prime (1022423021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91929 + ... + 102448.

It is an arithmetic number, because the mean of its divisors is an integer number (89802636).

Almost surely, 2^1022423020 is an apocalyptic number.

1022423020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022423020 is an abundant number, since it is smaller than the sum of its proper divisors (1132840244).

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

1022423020 is a wasteful number, since it uses less digits than its factorization.

1022423020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194649 (or 194647 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1022423020 is about 31975.3501935475. The cubic root of 1022423020 is about 1007.4191599392.

Adding to 1022423020 its reverse (203242201), we get a palindrome (1225665221).

The spelling of 1022423020 in words is "one billion, twenty-two million, four hundred twenty-three thousand, twenty".