1225550110 has 16 divisors (see below), whose sum is σ = 2210528736. Its totient is φ = 489211488.

The previous prime is 1225550083. The next prime is 1225550113. The reversal of 1225550110 is 110555221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225550113) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 120957 + ... + 130696.

It is an arithmetic number, because the mean of its divisors is an integer number (138158046).

Almost surely, 2^1225550110 is an apocalyptic number.

1225550110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225550110 is a deficient number, since it is larger than the sum of its proper divisors (984978626).

1225550110 is a wasteful number, since it uses less digits than its factorization.

1225550110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252147.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 1225550110 is about 35007.8578322068. The cubic root of 1225550110 is about 1070.1476228034.

The spelling of 1225550110 in words is "one billion, two hundred twenty-five million, five hundred fifty thousand, one hundred ten".