214220655 has 48 divisors (see below), whose sum is σ = 428916384. Its totient is φ = 97751040.

The previous prime is 214220653. The next prime is 214220663. The reversal of 214220655 is 556022412.

214220655 is a `hidden beast` number, since 2 + 1 + 4 + 2 + 2 + 0 + 655 = 666.

It is not a de Polignac number, because 214220655 - 2¹ = 214220653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214220653) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4314 + ... + 21143.

It is an arithmetic number, because the mean of its divisors is an integer number (8935758).

Almost surely, 2^214220655 is an apocalyptic number.

214220655 is an abundant number, since it is smaller than the sum of its proper divisors (214695729).

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

214220655 is a wasteful number, since it uses less digits than its factorization.

214220655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25496 (or 25493 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 214220655 is about 14636.2787278734. The cubic root of 214220655 is about 598.3479135256.

The spelling of 214220655 in words is "two hundred fourteen million, two hundred twenty thousand, six hundred fifty-five".