35781222 has 8 divisors (see below), whose sum is σ = 71562456. Its totient is φ = 11927072.

The previous prime is 35781191. The next prime is 35781227. The reversal of 35781222 is 22218753.

35781222 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.

35781222 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 35781222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35781227) 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 3 ways as a sum of consecutive naturals, for example, 2981763 + ... + 2981774.

It is an arithmetic number, because the mean of its divisors is an integer number (8945307).

Almost surely, 2^35781222 is an apocalyptic number.

35781222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

35781222 is a wasteful number, since it uses less digits than its factorization.

35781222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5963542.

The product of its digits is 6720, while the sum is 30.

The square root of 35781222 is about 5981.7407165473. The cubic root of 35781222 is about 329.5224865933.

Adding to 35781222 its reverse (22218753), we get a palindrome (57999975).

The spelling of 35781222 in words is "thirty-five million, seven hundred eighty-one thousand, two hundred twenty-two".