1552512223 has 4 divisors (see below), whose sum is σ = 1552704840. Its totient is φ = 1552319608.

The previous prime is 1552512217. The next prime is 1552512229. The reversal of 1552512223 is 3222152551.

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

It is an interprime number because it is at equal distance from previous prime (1552512217) and next prime (1552512229).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1552512223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1552512191 and 1552512200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552512229) 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, 83665 + ... + 100522.

It is an arithmetic number, because the mean of its divisors is an integer number (388176210).

Almost surely, 2^1552512223 is an apocalyptic number.

1552512223 is a deficient number, since it is larger than the sum of its proper divisors (192617).

1552512223 is an equidigital number, since it uses as much as digits as its factorization.

1552512223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192616.

The product of its digits is 6000, while the sum is 28.

The square root of 1552512223 is about 39401.9317166050. The cubic root of 1552512223 is about 1157.9194331965.

Adding to 1552512223 its reverse (3222152551), we get a palindrome (4774664774).

The spelling of 1552512223 in words is "one billion, five hundred fifty-two million, five hundred twelve thousand, two hundred twenty-three".