1552225 has 12 divisors (see below), whose sum is σ = 1992060. Its totient is φ = 1198400.

The previous prime is 1552223. The next prime is 1552237. The reversal of 1552225 is 5222551.

It can be written as a sum of positive squares in 6 ways, for example, as 36864 + 1515361 = 192^2 + 1231^2 .

It is not a de Polignac number, because 1552225 - 2¹ = 1552223 is a prime.

It is an Ulam number.

1552225 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1552196 and 1552205.

It is not an unprimeable number, because it can be changed into a prime (1552223) 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 11 ways as a sum of consecutive naturals, for example, 346 + ... + 1795.

It is an arithmetic number, because the mean of its divisors is an integer number (166005).

2^1552225 is an apocalyptic number.

It is an amenable number.

1552225 is a deficient number, since it is larger than the sum of its proper divisors (439835).

1552225 is a wasteful number, since it uses less digits than its factorization.

1552225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180 (or 2175 counting only the distinct ones).

The product of its digits is 1000, while the sum is 22.

The square root of 1552225 is about 1245.8832208518. The cubic root of 1552225 is about 115.7848021713.

Adding to 1552225 its reverse (5222551), we get a palindrome (6774776).

The spelling of 1552225 in words is "one million, five hundred fifty-two thousand, two hundred twenty-five".