3913222 has 4 divisors (see below), whose sum is σ = 5869836. Its totient is φ = 1956610.

The previous prime is 3913199. The next prime is 3913237. The reversal of 3913222 is 2223193.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2223193 = 7 ⋅317599.

It is a junction number, because it is equal to n+sod(n) for n = 3913193 and 3913202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 978304 + ... + 978307.

It is an arithmetic number, because the mean of its divisors is an integer number (1467459).

Almost surely, 2^3913222 is an apocalyptic number.

3913222 is a deficient number, since it is larger than the sum of its proper divisors (1956614).

3913222 is a wasteful number, since it uses less digits than its factorization.

3913222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956613.

The product of its digits is 648, while the sum is 22.

The square root of 3913222 is about 1978.1865432764. The cubic root of 3913222 is about 157.5837733558.

The spelling of 3913222 in words is "three million, nine hundred thirteen thousand, two hundred twenty-two".