10220550 has 48 divisors (see below), whose sum is σ = 25785552. Its totient is φ = 2678400.

The previous prime is 10220513. The next prime is 10220563. The reversal of 10220550 is 5502201.

10220550 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8592 + ... + 9708.

It is an arithmetic number, because the mean of its divisors is an integer number (537199).

Almost surely, 2^10220550 is an apocalyptic number.

10220550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10220550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12892776).

10220550 is an abundant number, since it is smaller than the sum of its proper divisors (15565002).

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

10220550 is a wasteful number, since it uses less digits than its factorization.

10220550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193 (or 1188 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 10220550 is about 3196.9594930183. The cubic root of 10220550 is about 217.0158341069.

Adding to 10220550 its reverse (5502201), we get a palindrome (15722751).

The spelling of 10220550 in words is "ten million, two hundred twenty thousand, five hundred fifty".