512223000 has 64 divisors (see below), whose sum is σ = 1598145120. Its totient is φ = 136592000.

The previous prime is 512222989. The next prime is 512223029. The reversal of 512223000 is 322215.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82371 + ... + 88370.

Almost surely, 2^512223000 is an apocalyptic number.

512223000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

512223000 is an abundant number, since it is smaller than the sum of its proper divisors (1085922120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

512223000 is a wasteful number, since it uses less digits than its factorization.

512223000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170765 (or 170751 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 512223000 is about 22632.3441119120. The cubic root of 512223000 is about 800.1161289751.

Adding to 512223000 its reverse (322215), we get a palindrome (512545215).

The spelling of 512223000 in words is "five hundred twelve million, two hundred twenty-three thousand".