1552238 has 4 divisors (see below), whose sum is σ = 2328360. Its totient is φ = 776118.

The previous prime is 1552237. The next prime is 1552241. The reversal of 1552238 is 8322551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8322551 = 19 ⋅438029.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 388058 + ... + 388061.

It is an arithmetic number, because the mean of its divisors is an integer number (582090).

2^1552238 is an apocalyptic number.

1552238 is a deficient number, since it is larger than the sum of its proper divisors (776122).

1552238 is an equidigital number, since it uses as much as digits as its factorization.

1552238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776121.

The product of its digits is 2400, while the sum is 26.

The square root of 1552238 is about 1245.8884380232. Note that the first 3 decimals coincide. The cubic root of 1552238 is about 115.7851254058.

Adding to 1552238 its reverse (8322551), we get a palindrome (9874789).

The spelling of 1552238 in words is "one million, five hundred fifty-two thousand, two hundred thirty-eight".