61022000 has 80 divisors (see below), whose sum is σ = 158968992. Its totient is φ = 22521600.

The previous prime is 61021997. The next prime is 61022009. The reversal of 61022000 is 22016.

61022000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (61022009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24827 + ... + 27173.

Almost surely, 2^61022000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61022000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79484496).

61022000 is an abundant number, since it is smaller than the sum of its proper divisors (97946992).

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

61022000 is a wasteful number, since it uses less digits than its factorization.

61022000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383 (or 2367 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 61022000 is about 7811.6579546214. The cubic root of 61022000 is about 393.6970366320.

Adding to 61022000 its reverse (22016), we get a palindrome (61044016).

The spelling of 61022000 in words is "sixty-one million, twenty-two thousand".