427664027681222 has 8 divisors (see below), whose sum is σ = 656414554115496. Its totient is φ = 208859176309392.

The previous prime is 427664027681197. The next prime is 427664027681243. The reversal of 427664027681222 is 222186720466724.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2486418765503 + ... + 2486418765674.

It is an arithmetic number, because the mean of its divisors is an integer number (82051819264437).

Almost surely, 2^{427664027681222} is an apocalyptic number.

427664027681222 is a deficient number, since it is larger than the sum of its proper divisors (228750526434274).

427664027681222 is a wasteful number, since it uses less digits than its factorization.

427664027681222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972837531222.

The product of its (nonzero) digits is 43352064, while the sum is 59.

The spelling of 427664027681222 in words is "four hundred twenty-seven trillion, six hundred sixty-four billion, twenty-seven million, six hundred eighty-one thousand, two hundred twenty-two".