1116562225 has 27 divisors (see below), whose sum is σ = 1427889729. Its totient is φ = 866116800.

The previous prime is 1116562219. The next prime is 1116562243. The reversal of 1116562225 is 5222656111.

The square root of 1116562225 is 33415.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 469979041 + 646583184 = 21679^2 + 25428^2 .

It is not a de Polignac number, because 1116562225 - 2⁹ = 1116561713 is a prime.

It is a super-2 number, since 2×1116562225² = 2493422404593901250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6849994 + ... + 6850156.

Almost surely, 2^1116562225 is an apocalyptic number.

1116562225 is the 33415-th square number.

1116562225 is the 16708-th centered octagonal number.

It is an amenable number.

1116562225 is a deficient number, since it is larger than the sum of its proper divisors (311327504).

1116562225 is an frugal number, since it uses more digits than its factorization.

1116562225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 209 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The cubic root of 1116562225 is about 1037.4351940940.

The spelling of 1116562225 in words is "one billion, one hundred sixteen million, five hundred sixty-two thousand, two hundred twenty-five".