3778822 has 4 divisors (see below), whose sum is σ = 5668236. Its totient is φ = 1889410.

The previous prime is 3778793. The next prime is 3778823. The reversal of 3778822 is 2288773.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3778823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 944704 + ... + 944707.

It is an arithmetic number, because the mean of its divisors is an integer number (1417059).

Almost surely, 2^3778822 is an apocalyptic number.

3778822 is a deficient number, since it is larger than the sum of its proper divisors (1889414).

3778822 is a wasteful number, since it uses less digits than its factorization.

3778822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889413.

The product of its digits is 37632, while the sum is 37.

The square root of 3778822 is about 1943.9192370055. The cubic root of 3778822 is about 155.7586394747.

The spelling of 3778822 in words is "three million, seven hundred seventy-eight thousand, eight hundred twenty-two".