1550227 has 4 divisors (see below), whose sum is σ = 1771696. Its totient is φ = 1328760.

The previous prime is 1550221. The next prime is 1550231. The reversal of 1550227 is 7220551.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1550227 - 2⁷ = 1550099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1550198 and 1550207.

It is not an unprimeable number, because it can be changed into a prime (1550221) 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 3 ways as a sum of consecutive naturals, for example, 110724 + ... + 110737.

It is an arithmetic number, because the mean of its divisors is an integer number (442924).

2^1550227 is an apocalyptic number.

1550227 is a deficient number, since it is larger than the sum of its proper divisors (221469).

1550227 is an equidigital number, since it uses as much as digits as its factorization.

1550227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221468.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 1550227 is about 1245.0811218551. The cubic root of 1550227 is about 115.7351020389.

Adding to 1550227 its reverse (7220551), we get a palindrome (8770778).

The spelling of 1550227 in words is "one million, five hundred fifty thousand, two hundred twenty-seven".