61223394 has 16 divisors (see below), whose sum is σ = 124275168. Its totient is φ = 20103072.

The previous prime is 61223389. The next prime is 61223411. The reversal of 61223394 is 49332216.

61223394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 75747 + ... + 76550.

It is an arithmetic number, because the mean of its divisors is an integer number (7767198).

Almost surely, 2^61223394 is an apocalyptic number.

61223394 is an abundant number, since it is smaller than the sum of its proper divisors (63051774).

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

61223394 is a wasteful number, since it uses less digits than its factorization.

61223394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152369.

The product of its digits is 7776, while the sum is 30.

The square root of 61223394 is about 7824.5379416295. The cubic root of 61223394 is about 394.1296737916.

The spelling of 61223394 in words is "sixty-one million, two hundred twenty-three thousand, three hundred ninety-four".