220808426 has 4 divisors (see below), whose sum is σ = 331212642. Its totient is φ = 110404212.

The previous prime is 220808417. The next prime is 220808437. The reversal of 220808426 is 624808022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 116748025 + 104060401 = 10805^2 + 10201^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220808392 and 220808401.

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 as a sum of consecutive naturals, namely, 55202105 + ... + 55202108.

Almost surely, 2^220808426 is an apocalyptic number.

220808426 is a deficient number, since it is larger than the sum of its proper divisors (110404216).

220808426 is a wasteful number, since it uses less digits than its factorization.

220808426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110404215.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 220808426 is about 14859.6240194697. The cubic root of 220808426 is about 604.4196114210.

The spelling of 220808426 in words is "two hundred twenty million, eight hundred eight thousand, four hundred twenty-six".