1225562 has 8 divisors (see below), whose sum is σ = 1979796. Its totient is φ = 565632.

The previous prime is 1225559. The next prime is 1225571. The reversal of 1225562 is 2655221.

It can be written as a sum of positive squares in 2 ways, for example, as 866761 + 358801 = 931^2 + 599^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23543 + ... + 23594.

2^1225562 is an apocalyptic number.

1225562 is a deficient number, since it is larger than the sum of its proper divisors (754234).

1225562 is a wasteful number, since it uses less digits than its factorization.

1225562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47152.

The product of its digits is 1200, while the sum is 23.

The square root of 1225562 is about 1107.0510376672. The cubic root of 1225562 is about 107.0151083566.

The spelling of 1225562 in words is "one million, two hundred twenty-five thousand, five hundred sixty-two".