61226318 has 4 divisors (see below), whose sum is σ = 91839480. Its totient is φ = 30613158.

The previous prime is 61226317. The next prime is 61226323. The reversal of 61226318 is 81362216.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61226311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15306578 + ... + 15306581.

It is an arithmetic number, because the mean of its divisors is an integer number (22959870).

Almost surely, 2^61226318 is an apocalyptic number.

61226318 is a deficient number, since it is larger than the sum of its proper divisors (30613162).

61226318 is a wasteful number, since it uses less digits than its factorization.

61226318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30613161.

The product of its digits is 3456, while the sum is 29.

The square root of 61226318 is about 7824.7247874925. The cubic root of 61226318 is about 394.1359481733.

The spelling of 61226318 in words is "sixty-one million, two hundred twenty-six thousand, three hundred eighteen".