1068620224 has 84 divisors (see below), whose sum is σ = 2477301624. Its totient is φ = 456024576.

The previous prime is 1068620207. The next prime is 1068620243. The reversal of 1068620224 is 4220268601.

It is a super-2 number, since 2×1068620224² = 2283898366283620352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 918267 + ... + 919429.

It is an arithmetic number, because the mean of its divisors is an integer number (29491686).

Almost surely, 2^1068620224 is an apocalyptic number.

1068620224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1068620224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1238650812).

1068620224 is an abundant number, since it is smaller than the sum of its proper divisors (1408681400).

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

1068620224 is a wasteful number, since it uses less digits than its factorization.

1068620224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482 (or 1465 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 1068620224 is about 32689.7571725457. The cubic root of 1068620224 is about 1022.3692917012.

Adding to 1068620224 its reverse (4220268601), we get a palindrome (5288888825).

The spelling of 1068620224 in words is "one billion, sixty-eight million, six hundred twenty thousand, two hundred twenty-four".