10214220 has 96 divisors (see below), whose sum is σ = 30336768. Its totient is φ = 2564352.

The previous prime is 10214209. The next prime is 10214249. The reversal of 10214220 is 2241201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10214196 and 10214205.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95407 + ... + 95513.

It is an arithmetic number, because the mean of its divisors is an integer number (316008).

Almost surely, 2^10214220 is an apocalyptic number.

10214220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10214220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15168384).

10214220 is an abundant number, since it is smaller than the sum of its proper divisors (20122548).

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

10214220 is a wasteful number, since it uses less digits than its factorization.

10214220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 10214220 is about 3195.9693365237. The cubic root of 10214220 is about 216.9710226266.

Adding to 10214220 its reverse (2241201), we get a palindrome (12455421).

The spelling of 10214220 in words is "ten million, two hundred fourteen thousand, two hundred twenty".