240022212 has 96 divisors (see below), whose sum is σ = 630067200. Its totient is φ = 70761600.

The previous prime is 240022187. The next prime is 240022217. The reversal of 240022212 is 212220042.

240022212 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 2×240022212² = 115221324506745888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240022191 and 240022200.

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 31 ways as a sum of consecutive naturals, for example, 204387 + ... + 205557.

It is an arithmetic number, because the mean of its divisors is an integer number (6563200).

Almost surely, 2^240022212 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 240022212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315033600).

240022212 is an abundant number, since it is smaller than the sum of its proper divisors (390044988).

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

240022212 is a wasteful number, since it uses less digits than its factorization.

240022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257 (or 1255 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 240022212 is about 15492.6502574608. The cubic root of 240022212 is about 621.4656722239.

Adding to 240022212 its reverse (212220042), we get a palindrome (452242254).

The spelling of 240022212 in words is "two hundred forty million, twenty-two thousand, two hundred twelve".