1012224256 has 18 divisors (see below), whose sum is σ = 2020495022. Its totient is φ = 506112000.

The previous prime is 1012224233. The next prime is 1012224287. The reversal of 1012224256 is 6524222101.

It can be written as a sum of positive squares in only one way, i.e., 847974400 + 164249856 = 29120^2 + 12816^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1012224256.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1976745 + ... + 1977256.

Almost surely, 2^1012224256 is an apocalyptic number.

1012224256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1012224256 is a deficient number, since it is larger than the sum of its proper divisors (1008270766).

1012224256 is an frugal number, since it uses more digits than its factorization.

1012224256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3954017 (or 3954003 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1012224256 is about 31815.4719594099. The cubic root of 1012224256 is about 1004.0582602446.

Adding to 1012224256 its reverse (6524222101), we get a palindrome (7536446357).

The spelling of 1012224256 in words is "one billion, twelve million, two hundred twenty-four thousand, two hundred fifty-six".