10142216 has 24 divisors (see below), whose sum is σ = 22122270. Its totient is φ = 4346496.

The previous prime is 10142207. The next prime is 10142221. The reversal of 10142216 is 61224101.

It can be written as a sum of positive squares in only one way, i.e., 8726116 + 1416100 = 2954^2 + 1190^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10142194 and 10142203.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12545 + ... + 13328.

Almost surely, 2^10142216 is an apocalyptic number.

It is an amenable number.

10142216 is an abundant number, since it is smaller than the sum of its proper divisors (11980054).

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

10142216 is a wasteful number, since it uses less digits than its factorization.

10142216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25893 (or 25882 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 10142216 is about 3184.6845997681. The cubic root of 10142216 is about 216.4599822563.

Adding to 10142216 its reverse (61224101), we get a palindrome (71366317).

The spelling of 10142216 in words is "ten million, one hundred forty-two thousand, two hundred sixteen".