240022 has 4 divisors (see below), whose sum is σ = 360036. Its totient is φ = 120010.
The previous prime is 240017. The next prime is 240041. The reversal of 240022 is 220042.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a super-2 number, since 2×2400222 = 115221120968, which contains 22 as substring.
It is a nialpdrome in base 13.
It is a junction number, because it is equal to n+sod(n) for n = 239990 and 240008.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60004 + ... + 60007.
It is an arithmetic number, because the mean of its divisors is an integer number (90009).
2240022 is an apocalyptic number.
240022 is a deficient number, since it is larger than the sum of its proper divisors (120014).
240022 is a wasteful number, since it uses less digits than its factorization.
240022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 120013.
The product of its (nonzero) digits is 32, while the sum is 10.
The square root of 240022 is about 489.9204016981. The cubic root of 240022 is about 62.1465489254.
Adding to 240022 its reverse (220042), we get a palindrome (460064).
The spelling of 240022 in words is "two hundred forty thousand, twenty-two", and thus it is an iban number.
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