1102440225 has 48 divisors (see below), whose sum is σ = 1971088128. Its totient is φ = 541578240.

The previous prime is 1102440223. The next prime is 1102440247. The reversal of 1102440225 is 5220442011.

It is not a de Polignac number, because 1102440225 - 2¹ = 1102440223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1102440221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50727 + ... + 69123.

It is an arithmetic number, because the mean of its divisors is an integer number (41064336).

Almost surely, 2^1102440225 is an apocalyptic number.

1102440225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1102440225 is a deficient number, since it is larger than the sum of its proper divisors (868647903).

1102440225 is a wasteful number, since it uses less digits than its factorization.

1102440225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18474 (or 18469 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1102440225 is about 33203.0152998188. The cubic root of 1102440225 is about 1033.0428837397.

Adding to 1102440225 its reverse (5220442011), we get a palindrome (6322882236).

The spelling of 1102440225 in words is "one billion, one hundred two million, four hundred forty thousand, two hundred twenty-five".