240022216 has 64 divisors (see below), whose sum is σ = 529689600. Its totient is φ = 99828288.

The previous prime is 240022187. The next prime is 240022217. The reversal of 240022216 is 612220042.

240022216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×240022216² = 115221328347101312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240022193 and 240022202.

It is not an unprimeable number, because it can be changed into a prime (240022217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 633115 + ... + 633493.

It is an arithmetic number, because the mean of its divisors is an integer number (8276400).

Almost surely, 2^240022216 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 240022216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264844800).

240022216 is an abundant number, since it is smaller than the sum of its proper divisors (289667384).

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

240022216 is a wasteful number, since it uses less digits than its factorization.

240022216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698 (or 694 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 240022216 is about 15492.6503865543. The cubic root of 240022216 is about 621.4656756762.

Adding to 240022216 its reverse (612220042), we get a palindrome (852242258).

The spelling of 240022216 in words is "two hundred forty million, twenty-two thousand, two hundred sixteen".