3522278 has 4 divisors (see below), whose sum is σ = 5283420. Its totient is φ = 1761138.

The previous prime is 3522263. The next prime is 3522301. The reversal of 3522278 is 8722253.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8722253 = 31 ⋅281363.

It is a self number, because there is not a number n which added to its sum of digits gives 3522278.

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, 880568 + ... + 880571.

It is an arithmetic number, because the mean of its divisors is an integer number (1320855).

Almost surely, 2^3522278 is an apocalyptic number.

3522278 is a deficient number, since it is larger than the sum of its proper divisors (1761142).

3522278 is a wasteful number, since it uses less digits than its factorization.

3522278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761141.

The product of its digits is 6720, while the sum is 29.

The square root of 3522278 is about 1876.7732947802. The cubic root of 3522278 is about 152.1509062243.

The spelling of 3522278 in words is "three million, five hundred twenty-two thousand, two hundred seventy-eight".