220248939 has 16 divisors (see below), whose sum is σ = 305510400. Its totient is φ = 140967456.

The previous prime is 220248937. The next prime is 220248949. The reversal of 220248939 is 939842022.

It is a happy number.

It is not a de Polignac number, because 220248939 - 2¹ = 220248937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220248897 and 220248906.

It is not an unprimeable number, because it can be changed into a prime (220248937) 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, 8502 + ... + 22644.

It is an arithmetic number, because the mean of its divisors is an integer number (19094400).

Almost surely, 2^220248939 is an apocalyptic number.

220248939 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

220248939 is a deficient number, since it is larger than the sum of its proper divisors (85261461).

220248939 is a wasteful number, since it uses less digits than its factorization.

220248939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14354.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 220248939 is about 14840.7863336145. The cubic root of 220248939 is about 603.9086844613.

The spelling of 220248939 in words is "two hundred twenty million, two hundred forty-eight thousand, nine hundred thirty-nine".