1225404010 has 16 divisors (see below), whose sum is σ = 2210265216. Its totient is φ = 489153168.

The previous prime is 1225404001. The next prime is 1225404017. The reversal of 1225404010 is 104045221.

It is a super-2 number, since 2×1225404010² = 3003229975448160200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1225404017) 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, 120942 + ... + 130681.

It is an arithmetic number, because the mean of its divisors is an integer number (138141576).

Almost surely, 2^1225404010 is an apocalyptic number.

1225404010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225404010 is a deficient number, since it is larger than the sum of its proper divisors (984861206).

1225404010 is a wasteful number, since it uses less digits than its factorization.

1225404010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252117.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1225404010 is about 35005.7710956351. The cubic root of 1225404010 is about 1070.1050963821.

Adding to 1225404010 its reverse (104045221), we get a palindrome (1329449231).

The spelling of 1225404010 in words is "one billion, two hundred twenty-five million, four hundred four thousand, ten".