512070221 has 16 divisors (see below), whose sum is σ = 558460224. Its totient is φ = 466712064.

The previous prime is 512070199. The next prime is 512070227. The reversal of 512070221 is 122070215.

It is not a de Polignac number, because 512070221 - 2⁶ = 512070157 is a prime.

It is a super-2 number, since 2×512070221² = 524431822469977682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 512070193 and 512070202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512070227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 760541 + ... + 761213.

It is an arithmetic number, because the mean of its divisors is an integer number (34903764).

Almost surely, 2^512070221 is an apocalyptic number.

It is an amenable number.

512070221 is a deficient number, since it is larger than the sum of its proper divisors (46390003).

512070221 is a wasteful number, since it uses less digits than its factorization.

512070221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 512070221 is about 22628.9686243099. The cubic root of 512070221 is about 800.0365717656.

The spelling of 512070221 in words is "five hundred twelve million, seventy thousand, two hundred twenty-one".