222221034493 has 2 divisors, whose sum is σ = 222221034494. Its totient is φ = 222221034492.

The previous prime is 222221034487. The next prime is 222221034509. The reversal of 222221034493 is 394430122222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146882862009 + 75338172484 = 383253^2 + 274478^2 .

It is a cyclic number.

It is not a de Polignac number, because 222221034493 - 2²⁵ = 222187480061 is a prime.

It is a super-2 number, since 2×222221034493² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222221034443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111110517246 + 111110517247.

It is an arithmetic number, because the mean of its divisors is an integer number (111110517247).

Almost surely, 2^222221034493 is an apocalyptic number.

It is an amenable number.

222221034493 is a deficient number, since it is larger than the sum of its proper divisors (1).

222221034493 is an equidigital number, since it uses as much as digits as its factorization.

222221034493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 222221034493 in words is "two hundred twenty-two billion, two hundred twenty-one million, thirty-four thousand, four hundred ninety-three".