4221224239 has 2 divisors, whose sum is σ = 4221224240. Its totient is φ = 4221224238.

The previous prime is 4221224191. The next prime is 4221224251. The reversal of 4221224239 is 9324221224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4221224239 - 2¹³ = 4221216047 is a prime.

It is a super-2 number, since 2×4221224239² = 35637468151842258242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4221224239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4221224269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110612119 + 2110612120.

It is an arithmetic number, because the mean of its divisors is an integer number (2110612120).

Almost surely, 2^4221224239 is an apocalyptic number.

4221224239 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221224239 is an equidigital number, since it uses as much as digits as its factorization.

4221224239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 31.

The square root of 4221224239 is about 64970.9491926969. The cubic root of 4221224239 is about 1616.1418423872.

The spelling of 4221224239 in words is "four billion, two hundred twenty-one million, two hundred twenty-four thousand, two hundred thirty-nine".