220449597 has 8 divisors (see below), whose sum is σ = 294029856. Its totient is φ = 146917872.

The previous prime is 220449583. The next prime is 220449601. The reversal of 220449597 is 795944022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220449597 - 2²⁷ = 86231869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220449527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283 + ... + 20999.

It is an arithmetic number, because the mean of its divisors is an integer number (36753732).

Almost surely, 2^220449597 is an apocalyptic number.

It is an amenable number.

220449597 is a deficient number, since it is larger than the sum of its proper divisors (73580259).

220449597 is a wasteful number, since it uses less digits than its factorization.

220449597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24267.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 220449597 is about 14847.5451506301. The cubic root of 220449597 is about 604.0920259837.

The spelling of 220449597 in words is "two hundred twenty million, four hundred forty-nine thousand, five hundred ninety-seven".