3406223521 has 8 divisors (see below), whose sum is σ = 3433457664. Its totient is φ = 3379087680.

The previous prime is 3406223503. The next prime is 3406223531. The reversal of 3406223521 is 1253226043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3406223521 - 2⁵ = 3406223489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3406223521.

It is not an unprimeable number, because it can be changed into a prime (3406223531) 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, 45801 + ... + 94393.

It is an arithmetic number, because the mean of its divisors is an integer number (429182208).

Almost surely, 2^3406223521 is an apocalyptic number.

It is an amenable number.

3406223521 is a deficient number, since it is larger than the sum of its proper divisors (27234143).

3406223521 is a wasteful number, since it uses less digits than its factorization.

3406223521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49151.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 3406223521 is about 58362.8608020546. The cubic root of 3406223521 is about 1504.6115149063.

Adding to 3406223521 its reverse (1253226043), we get a palindrome (4659449564).

The spelling of 3406223521 in words is "three billion, four hundred six million, two hundred twenty-three thousand, five hundred twenty-one".