220426452 has 36 divisors (see below), whose sum is σ = 560035476. Its totient is φ = 73100160.

The previous prime is 220426433. The next prime is 220426463. The reversal of 220426452 is 254624022.

It is a happy number.

220426452 is a `hidden beast` number, since 2 + 204 + 2 + 6 + 452 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 156650256 + 63776196 = 12516^2 + 7986^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8449 + ... + 22632.

It is an arithmetic number, because the mean of its divisors is an integer number (15556541).

Almost surely, 2^220426452 is an apocalyptic number.

It is an amenable number.

220426452 is an abundant number, since it is smaller than the sum of its proper divisors (339609024).

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

220426452 is a wasteful number, since it uses less digits than its factorization.

220426452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31288 (or 31283 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 220426452 is about 14846.7657083959. The cubic root of 220426452 is about 604.0708840394.

The spelling of 220426452 in words is "two hundred twenty million, four hundred twenty-six thousand, four hundred fifty-two".