61122330 has 32 divisors (see below), whose sum is σ = 162993600. Its totient is φ = 16299216.

The previous prime is 61122329. The next prime is 61122337. The reversal of 61122330 is 3322116.

61122330 is a `hidden beast` number, since 611 + 2 + 23 + 30 = 666.

61122330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61122337) 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, 112920 + ... + 113459.

It is an arithmetic number, because the mean of its divisors is an integer number (5093550).

Almost surely, 2^61122330 is an apocalyptic number.

61122330 is an abundant number, since it is smaller than the sum of its proper divisors (101871270).

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

61122330 is a wasteful number, since it uses less digits than its factorization.

61122330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226395 (or 226389 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 61122330 is about 7818.0771293202. The cubic root of 61122330 is about 393.9126856084.

Adding to 61122330 its reverse (3322116), we get a palindrome (64444446).

The spelling of 61122330 in words is "sixty-one million, one hundred twenty-two thousand, three hundred thirty".