3222340021 has 4 divisors (see below), whose sum is σ = 3411889452. Its totient is φ = 3032790592.

The previous prime is 3222340013. The next prime is 3222340081. The reversal of 3222340021 is 1200432223.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1450771921 + 1771568100 = 38089^2 + 42090^2 .

It is a cyclic number.

It is not a de Polignac number, because 3222340021 - 2³ = 3222340013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222340001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94774690 + ... + 94774723.

It is an arithmetic number, because the mean of its divisors is an integer number (852972363).

Almost surely, 2^3222340021 is an apocalyptic number.

It is an amenable number.

3222340021 is a deficient number, since it is larger than the sum of its proper divisors (189549431).

3222340021 is a wasteful number, since it uses less digits than its factorization.

3222340021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189549430.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 3222340021 is about 56765.6588176337. The cubic root of 3222340021 is about 1477.0338727128.

Adding to 3222340021 its reverse (1200432223), we get a palindrome (4422772244).

The spelling of 3222340021 in words is "three billion, two hundred twenty-two million, three hundred forty thousand, twenty-one".