1552355223 has 4 divisors (see below), whose sum is σ = 2069806968. Its totient is φ = 1034903480.

The previous prime is 1552355201. The next prime is 1552355237. The reversal of 1552355223 is 3225532551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3225532551 = 3 ⋅1075177517.

It is a cyclic number.

It is not a de Polignac number, because 1552355223 - 2²¹ = 1550258071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552351223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258725868 + ... + 258725873.

It is an arithmetic number, because the mean of its divisors is an integer number (517451742).

Almost surely, 2^1552355223 is an apocalyptic number.

1552355223 is a deficient number, since it is larger than the sum of its proper divisors (517451745).

1552355223 is an equidigital number, since it uses as much as digits as its factorization.

1552355223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517451744.

The product of its digits is 45000, while the sum is 33.

The square root of 1552355223 is about 39399.9393781260. The cubic root of 1552355223 is about 1157.8803997992.

Adding to 1552355223 its reverse (3225532551), we get a palindrome (4777887774).

The spelling of 1552355223 in words is "one billion, five hundred fifty-two million, three hundred fifty-five thousand, two hundred twenty-three".