612256322 has 4 divisors (see below), whose sum is σ = 918384486. Its totient is φ = 306128160.

The previous prime is 612256319. The next prime is 612256331. The reversal of 612256322 is 223652216.

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

It can be written as a sum of positive squares in only one way, i.e., 461433361 + 150822961 = 21481^2 + 12281^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153064079 + ... + 153064082.

Almost surely, 2^612256322 is an apocalyptic number.

612256322 is a deficient number, since it is larger than the sum of its proper divisors (306128164).

612256322 is a wasteful number, since it uses less digits than its factorization.

612256322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306128163.

The product of its digits is 8640, while the sum is 29.

The square root of 612256322 is about 24743.8138127492. The cubic root of 612256322 is about 849.1369888964.

The spelling of 612256322 in words is "six hundred twelve million, two hundred fifty-six thousand, three hundred twenty-two".