3778422 has 8 divisors (see below), whose sum is σ = 7556856. Its totient is φ = 1259472.

The previous prime is 3778421. The next prime is 3778427. The reversal of 3778422 is 2248773.

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

3778422 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3778421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314863 + ... + 314874.

It is an arithmetic number, because the mean of its divisors is an integer number (944607).

Almost surely, 2^3778422 is an apocalyptic number.

3778422 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.

3778422 is a wasteful number, since it uses less digits than its factorization.

3778422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629742.

The product of its digits is 18816, while the sum is 33.

The square root of 3778422 is about 1943.8163493499. The cubic root of 3778422 is about 155.7531434361.

The spelling of 3778422 in words is "three million, seven hundred seventy-eight thousand, four hundred twenty-two".