3948222 has 16 divisors (see below), whose sum is σ = 8151552. Its totient is φ = 1273560.

The previous prime is 3948187. The next prime is 3948223. The reversal of 3948222 is 2228493.

It is a super-2 number, since 2×3948222² = 31176913922568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3948222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3948223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10428 + ... + 10799.

It is an arithmetic number, because the mean of its divisors is an integer number (509472).

Almost surely, 2^3948222 is an apocalyptic number.

3948222 is an abundant number, since it is smaller than the sum of its proper divisors (4203330).

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

3948222 is a wasteful number, since it uses less digits than its factorization.

3948222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21263.

The product of its digits is 6912, while the sum is 30.

The square root of 3948222 is about 1987.0133366437. The cubic root of 3948222 is about 158.0521912716.

The spelling of 3948222 in words is "three million, nine hundred forty-eight thousand, two hundred twenty-two".