10112220 has 36 divisors (see below), whose sum is σ = 30674280. Its totient is φ = 2696544.

The previous prime is 10112209. The next prime is 10112239. The reversal of 10112220 is 2221101.

10112220 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 tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27910 + ... + 28269.

Almost surely, 2^10112220 is an apocalyptic number.

10112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10112220 is an abundant number, since it is smaller than the sum of its proper divisors (20562060).

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

10112220 is a wasteful number, since it uses less digits than its factorization.

10112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56194 (or 56189 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 10112220 is about 3179.9716979873. The cubic root of 10112220 is about 216.2463752497.

Adding to 10112220 its reverse (2221101), we get a palindrome (12333321).

It can be divided in two parts, 101 and 12220, that added together give a palindrome (12321).

The spelling of 10112220 in words is "ten million, one hundred twelve thousand, two hundred twenty".