222427985393 has 4 divisors (see below), whose sum is σ = 229603081728. Its totient is φ = 215252889060.

The previous prime is 222427985389. The next prime is 222427985411. The reversal of 222427985393 is 393589724222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 393589724222 = 2 ⋅196794862111.

It is a cyclic number.

It is not a de Polignac number, because 222427985393 - 2² = 222427985389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222427985303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3587548121 + ... + 3587548182.

It is an arithmetic number, because the mean of its divisors is an integer number (57400770432).

Almost surely, 2^222427985393 is an apocalyptic number.

It is an amenable number.

222427985393 is a deficient number, since it is larger than the sum of its proper divisors (7175096335).

222427985393 is an equidigital number, since it uses as much as digits as its factorization.

222427985393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7175096334.

The product of its digits is 13063680, while the sum is 56.

The spelling of 222427985393 in words is "two hundred twenty-two billion, four hundred twenty-seven million, nine hundred eighty-five thousand, three hundred ninety-three".