3402224 has 40 divisors (see below), whose sum is σ = 7746528. Its totient is φ = 1416960.

The previous prime is 3402211. The next prime is 3402233. The reversal of 3402224 is 4222043.

It is an Ulam number.

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 in 7 ways as a sum of consecutive naturals, for example, 3734 + ... + 4554.

Almost surely, 2^3402224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3402224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3873264).

3402224 is an abundant number, since it is smaller than the sum of its proper divisors (4344304).

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

3402224 is a wasteful number, since it uses less digits than its factorization.

3402224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873 (or 867 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 3402224 is about 1844.5118595444. The cubic root of 3402224 is about 150.4022389134.

Adding to 3402224 its reverse (4222043), we get a palindrome (7624267).

The spelling of 3402224 in words is "three million, four hundred two thousand, two hundred twenty-four".