1940222 has 4 divisors (see below), whose sum is σ = 2910336. Its totient is φ = 970110.
The previous prime is 1940221. The next prime is 1940233. The reversal of 1940222 is 2220491.
It is a semiprime because it is the product of two primes.
It is a super-3 number, since 3×19402223 = 21911672533331463144, which contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 1940194 and 1940203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1940221) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485054 + ... + 485057.
It is an arithmetic number, because the mean of its divisors is an integer number (727584).
21940222 is an apocalyptic number.
1940222 is a deficient number, since it is larger than the sum of its proper divisors (970114).
1940222 is an equidigital number, since it uses as much as digits as its factorization.
1940222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 970113.
The product of its (nonzero) digits is 288, while the sum is 20.
The square root of 1940222 is about 1392.9185187943. The cubic root of 1940222 is about 124.7241276033.
The spelling of 1940222 in words is "one million, nine hundred forty thousand, two hundred twenty-two".
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