222154198393 has 8 divisors (see below), whose sum is σ = 231832798848. Its totient is φ = 212477241504.

The previous prime is 222154198367. The next prime is 222154198411. The reversal of 222154198393 is 393891451222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222154198393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222154198093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130596 + ... + 679237.

It is an arithmetic number, because the mean of its divisors is an integer number (28979099856).

Almost surely, 2^222154198393 is an apocalyptic number.

222154198393 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

222154198393 is a deficient number, since it is larger than the sum of its proper divisors (9678600455).

222154198393 is a wasteful number, since it uses less digits than its factorization.

222154198393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821783.

The product of its digits is 933120, while the sum is 49.

The spelling of 222154198393 in words is "two hundred twenty-two billion, one hundred fifty-four million, one hundred ninety-eight thousand, three hundred ninety-three".