612257622 has 16 divisors (see below), whose sum is σ = 1225299312. Its totient is φ = 203955200.

The previous prime is 612257621. The next prime is 612257641. The reversal of 612257622 is 226752216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612257621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22263 + ... + 41474.

It is an arithmetic number, because the mean of its divisors is an integer number (76581207).

Almost surely, 2^612257622 is an apocalyptic number.

612257622 is an abundant number, since it is smaller than the sum of its proper divisors (613041690).

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

612257622 is a wasteful number, since it uses less digits than its factorization.

612257622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65343.

The product of its digits is 20160, while the sum is 33.

The square root of 612257622 is about 24743.8400819275. The cubic root of 612257622 is about 849.1375898850.

The spelling of 612257622 in words is "six hundred twelve million, two hundred fifty-seven thousand, six hundred twenty-two".