61355222 has 8 divisors (see below), whose sum is σ = 92210376. Its totient is φ = 30618432.

The previous prime is 61355219. The next prime is 61355267. The reversal of 61355222 is 22255316.

61355222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 61355191 and 61355200.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 28283 + ... + 30374.

It is an arithmetic number, because the mean of its divisors is an integer number (11526297).

Almost surely, 2^61355222 is an apocalyptic number.

61355222 is a deficient number, since it is larger than the sum of its proper divisors (30855154).

61355222 is a wasteful number, since it uses less digits than its factorization.

61355222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59182.

The product of its digits is 3600, while the sum is 26.

The square root of 61355222 is about 7832.9574236044. The cubic root of 61355222 is about 394.4123548376.

The spelling of 61355222 in words is "sixty-one million, three hundred fifty-five thousand, two hundred twenty-two".