422261045666 has 16 divisors (see below), whose sum is σ = 637633358208. Its totient is φ = 209716800000.

The previous prime is 422261045653. The next prime is 422261045671. The reversal of 422261045666 is 666540162224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4788611 + ... + 4875993.

It is an arithmetic number, because the mean of its divisors is an integer number (39852084888).

Almost surely, 2^422261045666 is an apocalyptic number.

422261045666 is a deficient number, since it is larger than the sum of its proper divisors (215372312542).

422261045666 is a wasteful number, since it uses less digits than its factorization.

422261045666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103537.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 422261045666 in words is "four hundred twenty-two billion, two hundred sixty-one million, forty-five thousand, six hundred sixty-six".