10216278 has 24 divisors (see below), whose sum is σ = 23098608. Its totient is φ = 3257232.

The previous prime is 10216273. The next prime is 10216291. The reversal of 10216278 is 87261201.

10216278 is a `hidden beast` number, since 10 + 21 + 627 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10216273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11925 + ... + 12752.

It is an arithmetic number, because the mean of its divisors is an integer number (962442).

Almost surely, 2^10216278 is an apocalyptic number.

10216278 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10216278 is an abundant number, since it is smaller than the sum of its proper divisors (12882330).

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

10216278 is a wasteful number, since it uses less digits than its factorization.

10216278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24708 (or 24705 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 10216278 is about 3196.2912883528. The cubic root of 10216278 is about 216.9855936977.

Adding to 10216278 its reverse (87261201), we get a palindrome (97477479).

The spelling of 10216278 in words is "ten million, two hundred sixteen thousand, two hundred seventy-eight".