3331221427 has 2 divisors, whose sum is σ = 3331221428. Its totient is φ = 3331221426.

The previous prime is 3331221391. The next prime is 3331221431. The reversal of 3331221427 is 7241221333.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3331221427 - 2¹¹ = 3331219379 is a prime.

It is a super-2 number, since 2×3331221427² = 22194072391407832658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3331221395 and 3331221404.

It is not a weakly prime, because it can be changed into another prime (3331228427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1665610713 + 1665610714.

It is an arithmetic number, because the mean of its divisors is an integer number (1665610714).

Almost surely, 2^3331221427 is an apocalyptic number.

3331221427 is a deficient number, since it is larger than the sum of its proper divisors (1).

3331221427 is an equidigital number, since it uses as much as digits as its factorization.

3331221427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 28.

The square root of 3331221427 is about 57716.7343757424. The cubic root of 3331221427 is about 1493.4860386343.

The spelling of 3331221427 in words is "three billion, three hundred thirty-one million, two hundred twenty-one thousand, four hundred twenty-seven".