1022131420 has 12 divisors (see below), whose sum is σ = 2146476024. Its totient is φ = 408852560.

The previous prime is 1022131417. The next prime is 1022131421. The reversal of 1022131420 is 241312201.

It is a junction number, because it is equal to n+sod(n) for n = 1022131394 and 1022131403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022131421) 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, 25553266 + ... + 25553305.

It is an arithmetic number, because the mean of its divisors is an integer number (178873002).

Almost surely, 2^1022131420 is an apocalyptic number.

1022131420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022131420 is an abundant number, since it is smaller than the sum of its proper divisors (1124344604).

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

1022131420 is a wasteful number, since it uses less digits than its factorization.

1022131420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51106580 (or 51106578 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1022131420 is about 31970.7901059702. The cubic root of 1022131420 is about 1007.3233772239.

Adding to 1022131420 its reverse (241312201), we get a palindrome (1263443621).

The spelling of 1022131420 in words is "one billion, twenty-two million, one hundred thirty-one thousand, four hundred twenty".