220861775777422 has 16 divisors (see below), whose sum is σ = 360309157441632. Its totient is φ = 100926934855200.

The previous prime is 220861775777393. The next prime is 220861775777509. The reversal of 220861775777422 is 224777577168022.

It is a congruent number.

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, 42052886898 + ... + 42052892149.

It is an arithmetic number, because the mean of its divisors is an integer number (22519322340102).

Almost surely, 2^{220861775777422} is an apocalyptic number.

220861775777422 is a deficient number, since it is larger than the sum of its proper divisors (139447381664210).

220861775777422 is a wasteful number, since it uses less digits than its factorization.

220861775777422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84105779163.

The product of its (nonzero) digits is 258155520, while the sum is 67.

The spelling of 220861775777422 in words is "two hundred twenty trillion, eight hundred sixty-one billion, seven hundred seventy-five million, seven hundred seventy-seven thousand, four hundred twenty-two".