216245022 has 32 divisors (see below), whose sum is σ = 505773312. Its totient is φ = 60346944.

The previous prime is 216245021. The next prime is 216245063. The reversal of 216245022 is 220542612.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 216244983 and 216245001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216245021) 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, 58063 + ... + 61674.

It is an arithmetic number, because the mean of its divisors is an integer number (15805416).

Almost surely, 2^216245022 is an apocalyptic number.

216245022 is an abundant number, since it is smaller than the sum of its proper divisors (289528290).

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

216245022 is a wasteful number, since it uses less digits than its factorization.

216245022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119792.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 216245022 is about 14705.2719118009. The cubic root of 216245022 is about 600.2267864912.

Adding to 216245022 its reverse (220542612), we get a palindrome (436787634).

The spelling of 216245022 in words is "two hundred sixteen million, two hundred forty-five thousand, twenty-two".