220522115545 has 8 divisors (see below), whose sum is σ = 264629087424. Its totient is φ = 176415993264.

The previous prime is 220522115537. The next prime is 220522115551. The reversal of 220522115545 is 545511225022.

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 220522115545 - 2³ = 220522115537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220522115545.

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, 781162 + ... + 1025308.

It is an arithmetic number, because the mean of its divisors is an integer number (33078635928).

Almost surely, 2^220522115545 is an apocalyptic number.

It is an amenable number.

220522115545 is a deficient number, since it is larger than the sum of its proper divisors (44106971879).

220522115545 is a wasteful number, since it uses less digits than its factorization.

220522115545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424799.

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 220522115545 in words is "two hundred twenty billion, five hundred twenty-two million, one hundred fifteen thousand, five hundred forty-five".