61222 has 8 divisors (see below), whose sum is σ = 104976. Its totient is φ = 26232.
The previous prime is 61211. The next prime is 61223. The reversal of 61222 is 22216.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61223) 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, 2173 + ... + 2200.
It is an arithmetic number, because the mean of its divisors is an integer number (13122).
261222 is an apocalyptic number.
61222 is a deficient number, since it is larger than the sum of its proper divisors (43754).
61222 is a wasteful number, since it uses less digits than its factorization.
61222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4382.
The product of its digits is 48, while the sum is 13.
The square root of 61222 is about 247.4307984063. The cubic root of 61222 is about 39.4126682446.
Adding to 61222 its reverse (22216), we get a palindrome (83438).
The spelling of 61222 in words is "sixty-one thousand, two hundred twenty-two".
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