220847486 has 4 divisors (see below), whose sum is σ = 331271232. Its totient is φ = 110423742.

The previous prime is 220847483. The next prime is 220847491. The reversal of 220847486 is 684748022.

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

It is a super-2 number, since 2×220847486² = 97547224145040392, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220847483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55211870 + ... + 55211873.

It is an arithmetic number, because the mean of its divisors is an integer number (82817808).

Almost surely, 2^220847486 is an apocalyptic number.

220847486 is a deficient number, since it is larger than the sum of its proper divisors (110423746).

220847486 is a wasteful number, since it uses less digits than its factorization.

220847486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110423745.

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 220847486 is about 14860.9382610924. The cubic root of 220847486 is about 604.4552490074.

It can be divided in two parts, 2208 and 47486, that added together give a palindrome (49694).

The spelling of 220847486 in words is "two hundred twenty million, eight hundred forty-seven thousand, four hundred eighty-six".