3777222 has 8 divisors (see below), whose sum is σ = 7554456. Its totient is φ = 1259072.

The previous prime is 3777217. The next prime is 3777223. The reversal of 3777222 is 2227773.

3777222 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.

3777222 is an admirable number.

It is a d-powerful number, because it can be written as 3⁴ + 7 + 7⁷ + 7⁷ + 2⁷ + 2¹⁵ + 2²¹ .

It is a self number, because there is not a number n which added to its sum of digits gives 3777222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3777223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314763 + ... + 314774.

It is an arithmetic number, because the mean of its divisors is an integer number (944307).

Almost surely, 2^3777222 is an apocalyptic number.

3777222 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.

3777222 is a wasteful number, since it uses less digits than its factorization.

3777222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629542.

The product of its digits is 8232, while the sum is 30.

The square root of 3777222 is about 1943.5076537024. The cubic root of 3777222 is about 155.7366529927.

The spelling of 3777222 in words is "three million, seven hundred seventy-seven thousand, two hundred twenty-two".