222099140746081 has 3 divisors (see below), whose sum is σ = 222099155649073. Its totient is φ = 222099125843090.

The previous prime is 222099140746057. The next prime is 222099140746121. The reversal of 222099140746081 is 180647041990222.

The square root of 222099140746081 is 14902991.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 222099140746081 - 2⁷ = 222099140745953 is a prime.

It is a super-2 number, since 2×222099140746081² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222099140746031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7451496 + ... + 22354486.

Almost surely, 2^{222099140746081} is an apocalyptic number.

222099140746081 is the 14902991-st square number.

222099140746081 is the 7451496-th centered octagonal number.

It is an amenable number.

222099140746081 is a deficient number, since it is larger than the sum of its proper divisors (14902992).

222099140746081 is an frugal number, since it uses more digits than its factorization.

222099140746081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29805982 (or 14902991 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 222099140746081 in words is "two hundred twenty-two trillion, ninety-nine billion, one hundred forty million, seven hundred forty-six thousand, eighty-one".