2220584655 has 8 divisors (see below), whose sum is σ = 3552935472. Its totient is φ = 1184311808.

The previous prime is 2220584633. The next prime is 2220584669. The reversal of 2220584655 is 5564850222.

It is a happy number.

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 2220584655 - 2²⁰ = 2219536079 is a prime.

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, 74019474 + ... + 74019503.

It is an arithmetic number, because the mean of its divisors is an integer number (444116934).

Almost surely, 2^2220584655 is an apocalyptic number.

2220584655 is a deficient number, since it is larger than the sum of its proper divisors (1332350817).

2220584655 is a wasteful number, since it uses less digits than its factorization.

2220584655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148038985.

The product of its (nonzero) digits is 192000, while the sum is 39.

The square root of 2220584655 is about 47123.0798547803. The cubic root of 2220584655 is about 1304.6352586744.

The spelling of 2220584655 in words is "two billion, two hundred twenty million, five hundred eighty-four thousand, six hundred fifty-five".