1000224774787 has 16 divisors (see below), whose sum is σ = 1148246493120. Its totient is φ = 853494668928.

The previous prime is 1000224774779. The next prime is 1000224774793. The reversal of 1000224774787 is 7874774220001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1000224774787 - 2³ = 1000224774779 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1000224774787.

It is not an unprimeable number, because it can be changed into a prime (1000224724787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1060953 + ... + 1768069.

It is an arithmetic number, because the mean of its divisors is an integer number (71765405820).

Almost surely, 2^{1000224774787} is an apocalyptic number.

1000224774787 is a deficient number, since it is larger than the sum of its proper divisors (148021718333).

1000224774787 is an equidigital number, since it uses as much as digits as its factorization.

1000224774787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708030.

The product of its (nonzero) digits is 1229312, while the sum is 49.

Adding to 1000224774787 its reverse (7874774220001), we get a palindrome (8874998994788).

The spelling of 1000224774787 in words is "one trillion, two hundred twenty-four million, seven hundred seventy-four thousand, seven hundred eighty-seven".