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2022794 = 21011397
BaseRepresentation
bin111101101110110001010
310210202202022
413231312022
51004212134
6111204442
723123234
oct7556612
93722668
102022794
111161834
12816722
1355a927
143a9254
1529e52e
hex1edd8a

2022794 has 4 divisors (see below), whose sum is σ = 3034194. Its totient is φ = 1011396.

The previous prime is 2022791. The next prime is 2022803. The reversal of 2022794 is 4972202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4972202 = 22486101.

It can be written as a sum of positive squares in only one way, i.e., 1787569 + 235225 = 1337^2 + 485^2 .

It is not an unprimeable number, because it can be changed into a prime (2022791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505697 + ... + 505700.

22022794 is an apocalyptic number.

2022794 is a deficient number, since it is larger than the sum of its proper divisors (1011400).

2022794 is a wasteful number, since it uses less digits than its factorization.

2022794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011399.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2022794 is about 1422.2496264721. The cubic root of 2022794 is about 126.4689420543.

Adding to 2022794 its reverse (4972202), we get a palindrome (6994996).

The spelling of 2022794 in words is "two million, twenty-two thousand, seven hundred ninety-four".

Divisors: 1 2 1011397 2022794