4212223391 has 2 divisors, whose sum is σ = 4212223392. Its totient is φ = 4212223390.

The previous prime is 4212223339. The next prime is 4212223429. The reversal of 4212223391 is 1933222124.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4212223391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4212223991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2106111695 + 2106111696.

It is an arithmetic number, because the mean of its divisors is an integer number (2106111696).

Almost surely, 2^4212223391 is an apocalyptic number.

4212223391 is a deficient number, since it is larger than the sum of its proper divisors (1).

4212223391 is an equidigital number, since it uses as much as digits as its factorization.

4212223391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 29.

The square root of 4212223391 is about 64901.6439776374. The cubic root of 4212223391 is about 1614.9923339583.

The spelling of 4212223391 in words is "four billion, two hundred twelve million, two hundred twenty-three thousand, three hundred ninety-one".