215022016 has 56 divisors (see below), whose sum is σ = 476365824. Its totient is φ = 95450880.

The previous prime is 215022013. The next prime is 215022029. The reversal of 215022016 is 610220512.

It is a junction number, because it is equal to n+sod(n) for n = 215021984 and 215022002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215022013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26721 + ... + 33823.

Almost surely, 2^215022016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215022016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238182912).

215022016 is an abundant number, since it is smaller than the sum of its proper divisors (261343808).

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

215022016 is a wasteful number, since it uses less digits than its factorization.

215022016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7169 (or 7159 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 215022016 is about 14663.6290187661. The cubic root of 215022016 is about 599.0930891377.

Adding to 215022016 its reverse (610220512), we get a palindrome (825242528).

It can be divided in two parts, 2150 and 22016, that multiplied together give a square (47334400 = 6880²).

The spelling of 215022016 in words is "two hundred fifteen million, twenty-two thousand, sixteen".