206224455 has 16 divisors (see below), whose sum is σ = 330430464. Its totient is φ = 109829280.

The previous prime is 206224453. The next prime is 206224457. The reversal of 206224455 is 554422602.

It is a happy number.

206224455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (206224453) and next prime (206224457).

It is not a de Polignac number, because 206224455 - 2¹ = 206224453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206224451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1450 + ... + 20360.

It is an arithmetic number, because the mean of its divisors is an integer number (20651904).

Almost surely, 2^206224455 is an apocalyptic number.

206224455 is a deficient number, since it is larger than the sum of its proper divisors (124206009).

206224455 is a wasteful number, since it uses less digits than its factorization.

206224455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19646.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 206224455 is about 14360.5172260612. The cubic root of 206224455 is about 590.8084817809.

The spelling of 206224455 in words is "two hundred six million, two hundred twenty-four thousand, four hundred fifty-five".