3312222021 has 6 divisors (see below), whose sum is σ = 4784320710. Its totient is φ = 2208148008.

The previous prime is 3312221963. The next prime is 3312222029. The reversal of 3312222021 is 1202222133.

It can be written as a sum of positive squares in only one way, i.e., 3231922500 + 80299521 = 56850^2 + 8961^2 .

It is not a de Polignac number, because 3312222021 - 2⁹ = 3312221509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3312221985 and 3312222003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3312222029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 184012326 + ... + 184012343.

It is an arithmetic number, because the mean of its divisors is an integer number (797386785).

Almost surely, 2^3312222021 is an apocalyptic number.

It is an amenable number.

3312222021 is a deficient number, since it is larger than the sum of its proper divisors (1472098689).

3312222021 is a wasteful number, since it uses less digits than its factorization.

3312222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368024675 (or 368024672 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3312222021 is about 57551.9071882071. The cubic root of 3312222021 is about 1490.6412897973.

Adding to 3312222021 its reverse (1202222133), we get a palindrome (4514444154).

The spelling of 3312222021 in words is "three billion, three hundred twelve million, two hundred twenty-two thousand, twenty-one".