1225608 has 32 divisors (see below), whose sum is σ = 3091200. Its totient is φ = 404928.

The previous prime is 1225603. The next prime is 1225621. The reversal of 1225608 is 8065221.

It is a super-2 number, since 2×1225608² = 3004229939328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1225603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5238 + ... + 5466.

It is an arithmetic number, because the mean of its divisors is an integer number (96600).

2^1225608 is an apocalyptic number.

It is an amenable number.

1225608 is an abundant number, since it is smaller than the sum of its proper divisors (1865592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225608 is a wasteful number, since it uses less digits than its factorization.

1225608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1225608 is about 1107.0718133888. The cubic root of 1225608 is about 107.0164472344.

The spelling of 1225608 in words is "one million, two hundred twenty-five thousand, six hundred eight".