612722 has 8 divisors (see below), whose sum is σ = 1002672. Its totient is φ = 278500.

The previous prime is 612719. The next prime is 612727. The reversal of 612722 is 227216.

612722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 612694 and 612703.

It is not an unprimeable number, because it can be changed into a prime (612727) 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, 13904 + ... + 13947.

It is an arithmetic number, because the mean of its divisors is an integer number (125334).

2⁶¹²⁷²² is an apocalyptic number.

612722 is a deficient number, since it is larger than the sum of its proper divisors (389950).

612722 is a wasteful number, since it uses less digits than its factorization.

612722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27864.

The product of its digits is 336, while the sum is 20.

The square root of 612722 is about 782.7656098731. The cubic root of 612722 is about 84.9352216947.

Adding to 612722 its reverse (227216), we get a palindrome (839938).

The spelling of 612722 in words is "six hundred twelve thousand, seven hundred twenty-two".