220769155422 has 32 divisors (see below), whose sum is σ = 495455542560. Its totient is φ = 72861105600.

The previous prime is 220769155403. The next prime is 220769155433. The reversal of 220769155422 is 224551967022.

220769155422 is a `hidden beast` number, since 2 + 2 + 0 + 7 + 6 + 91 + 554 + 2 + 2 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20233743 + ... + 20244650.

It is an arithmetic number, because the mean of its divisors is an integer number (15482985705).

Almost surely, 2^220769155422 is an apocalyptic number.

220769155422 is an abundant number, since it is smaller than the sum of its proper divisors (274686387138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220769155422 is a wasteful number, since it uses less digits than its factorization.

220769155422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40478505 (or 40478499 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 220769155422 in words is "two hundred twenty billion, seven hundred sixty-nine million, one hundred fifty-five thousand, four hundred twenty-two".