1142022 has 16 divisors (see below), whose sum is σ = 2610432. Its totient is φ = 326280.
The previous prime is 1142021. The next prime is 1142039. The reversal of 1142022 is 2202411.
It is a junction number, because it is equal to n+sod(n) for n = 1141989 and 1142007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1142021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13554 + ... + 13637.
It is an arithmetic number, because the mean of its divisors is an integer number (163152).
21142022 is an apocalyptic number.
1142022 is an abundant number, since it is smaller than the sum of its proper divisors (1468410).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1142022 is a wasteful number, since it uses less digits than its factorization.
1142022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27203.
The product of its (nonzero) digits is 32, while the sum is 12.
The square root of 1142022 is about 1068.6542939604. The cubic root of 1142022 is about 104.5261184839.
Adding to 1142022 its reverse (2202411), we get a palindrome (3344433).
The spelling of 1142022 in words is "one million, one hundred forty-two thousand, twenty-two".
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