222621246605 has 8 divisors (see below), whose sum is σ = 278760517632. Its totient is φ = 170353649488.

The previous prime is 222621246581. The next prime is 222621246607. The reversal of 222621246605 is 506642126222.

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

It is a cyclic number.

It is not a de Polignac number, because 222621246605 - 2³⁰ = 221547504781 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222621246607) 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, 967918349 + ... + 967918578.

It is an arithmetic number, because the mean of its divisors is an integer number (34845064704).

Almost surely, 2^222621246605 is an apocalyptic number.

It is an amenable number.

222621246605 is a deficient number, since it is larger than the sum of its proper divisors (56139271027).

222621246605 is a wasteful number, since it uses less digits than its factorization.

222621246605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935836955.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 222621246605 in words is "two hundred twenty-two billion, six hundred twenty-one million, two hundred forty-six thousand, six hundred five".