612022 has 4 divisors (see below), whose sum is σ = 918036. Its totient is φ = 306010.

The previous prime is 612011. The next prime is 612023. The reversal of 612022 is 220216.

It is a happy number.

612022 is nontrivially palindromic in base 7.

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

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 611993 and 612011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612023) by changing a digit.

612022 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153004 + ... + 153007.

It is an arithmetic number, because the mean of its divisors is an integer number (229509).

2⁶¹²⁰²² is an apocalyptic number.

612022 is a deficient number, since it is larger than the sum of its proper divisors (306014).

612022 is a wasteful number, since it uses less digits than its factorization.

612022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306013.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 612022 is about 782.3183495228. The cubic root of 612022 is about 84.9028648180.

Adding to 612022 its reverse (220216), we get a palindrome (832238).

The spelling of 612022 in words is "six hundred twelve thousand, twenty-two".