216239022 has 48 divisors (see below), whose sum is σ = 492691680. Its totient is φ = 68443200.

The previous prime is 216239021. The next prime is 216239027. The reversal of 216239022 is 220932612.

It is a super-3 number, since 3×216239022³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216239021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28447 + ... + 35237.

It is an arithmetic number, because the mean of its divisors is an integer number (10264410).

Almost surely, 2^216239022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216239022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246345840).

216239022 is an abundant number, since it is smaller than the sum of its proper divisors (276452658).

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

216239022 is a wasteful number, since it uses less digits than its factorization.

216239022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6889 (or 6886 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 216239022 is about 14705.0679019174. The cubic root of 216239022 is about 600.2212350817.

The spelling of 216239022 in words is "two hundred sixteen million, two hundred thirty-nine thousand, twenty-two".