1552636223 has 4 divisors (see below), whose sum is σ = 1568642880. Its totient is φ = 1536629568.

The previous prime is 1552636193. The next prime is 1552636237. The reversal of 1552636223 is 3226362551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3226362551 = 4079 ⋅790969.

It is a cyclic number.

It is not a de Polignac number, because 1552636223 - 2⁸ = 1552635967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552636123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8003183 + ... + 8003376.

It is an arithmetic number, because the mean of its divisors is an integer number (392160720).

Almost surely, 2^1552636223 is an apocalyptic number.

1552636223 is a deficient number, since it is larger than the sum of its proper divisors (16006657).

1552636223 is an equidigital number, since it uses as much as digits as its factorization.

1552636223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16006656.

The product of its digits is 64800, while the sum is 35.

The square root of 1552636223 is about 39403.5052121001. The cubic root of 1552636223 is about 1157.9502602618.

Adding to 1552636223 its reverse (3226362551), we get a palindrome (4778998774).

The spelling of 1552636223 in words is "one billion, five hundred fifty-two million, six hundred thirty-six thousand, two hundred twenty-three".