1021224316 has 12 divisors (see below), whose sum is σ = 2042448688. Its totient is φ = 437667552.

The previous prime is 1021224313. The next prime is 1021224361. The reversal of 1021224316 is 6134221201.

1021224316 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021224313) 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, 18236121 + ... + 18236176.

Almost surely, 2^1021224316 is an apocalyptic number.

It is an amenable number.

1021224316 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1021224316 is a wasteful number, since it uses less digits than its factorization.

1021224316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36472308 (or 36472306 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1021224316 is about 31956.6005075634. The cubic root of 1021224316 is about 1007.0253015604.

Adding to 1021224316 its reverse (6134221201), we get a palindrome (7155445517).

The spelling of 1021224316 in words is "one billion, twenty-one million, two hundred twenty-four thousand, three hundred sixteen".