61122582 has 48 divisors (see below), whose sum is σ = 147616560. Its totient is φ = 18164736.

The previous prime is 61122571. The next prime is 61122583. The reversal of 61122582 is 28522116.

It is a happy number.

61122582 is a `hidden beast` number, since 61 + 1 + 22 + 582 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61122583) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 558 + ... + 11070.

It is an arithmetic number, because the mean of its divisors is an integer number (3075345).

Almost surely, 2^61122582 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61122582, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73808280).

61122582 is an abundant number, since it is smaller than the sum of its proper divisors (86493978).

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

61122582 is a wasteful number, since it uses less digits than its factorization.

61122582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10557 (or 10554 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 61122582 is about 7818.0932457985. The cubic root of 61122582 is about 393.9132269592.

Adding to 61122582 its reverse (28522116), we get a palindrome (89644698).

The spelling of 61122582 in words is "sixty-one million, one hundred twenty-two thousand, five hundred eighty-two".