2180227455 has 32 divisors (see below), whose sum is σ = 4429670400. Its totient is φ = 996674976.

The previous prime is 2180227429. The next prime is 2180227481. The reversal of 2180227455 is 5547220812.

It is a happy number.

2180227455 is a `hidden beast` number, since 2 + 180 + 2 + 27 + 455 = 666.

It is an interprime number because it is at equal distance from previous prime (2180227429) and next prime (2180227481).

It is not a de Polignac number, because 2180227455 - 2¹³ = 2180219263 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1152615 + ... + 1154504.

It is an arithmetic number, because the mean of its divisors is an integer number (138427200).

Almost surely, 2^2180227455 is an apocalyptic number.

2180227455 is an abundant number, since it is smaller than the sum of its proper divisors (2249442945).

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

2180227455 is a wasteful number, since it uses less digits than its factorization.

2180227455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307140 (or 2307134 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 2180227455 is about 46692.9058316143. The cubic root of 2180227455 is about 1296.6833512552.

The spelling of 2180227455 in words is "two billion, one hundred eighty million, two hundred twenty-seven thousand, four hundred fifty-five".