3938222 has 4 divisors (see below), whose sum is σ = 5907336. Its totient is φ = 1969110.

The previous prime is 3938197. The next prime is 3938251. The reversal of 3938222 is 2228393.

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

It is a pancake number, because a pancake can be divided into 3938222 parts by 2806 straight cuts.

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 as a sum of consecutive naturals, namely, 984554 + ... + 984557.

It is an arithmetic number, because the mean of its divisors is an integer number (1476834).

Almost surely, 2^3938222 is an apocalyptic number.

3938222 is a deficient number, since it is larger than the sum of its proper divisors (1969114).

3938222 is a wasteful number, since it uses less digits than its factorization.

3938222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969113.

The product of its digits is 5184, while the sum is 29.

The square root of 3938222 is about 1984.4954018591. The cubic root of 3938222 is about 157.9186410164.

The spelling of 3938222 in words is "three million, nine hundred thirty-eight thousand, two hundred twenty-two".