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22023070 = 2512717341
BaseRepresentation
bin101010000000…
…0101110011110
31112102212222021
41110000232132
521114214240
62104010354
7355123126
oct124005636
945385867
1022023070
1111482293
1274609ba
134741204
142cd3c86
151e0054a
hex1500b9e

22023070 has 16 divisors (see below), whose sum is σ = 39955968. Its totient is φ = 8739360.

The previous prime is 22023047. The next prime is 22023077. The reversal of 22023070 is 7032022.

It is a happy number.

It is a super-2 number, since 2×220230702 = 970031224449800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22023077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7401 + ... + 9940.

It is an arithmetic number, because the mean of its divisors is an integer number (2497248).

Almost surely, 222023070 is an apocalyptic number.

22023070 is a deficient number, since it is larger than the sum of its proper divisors (17932898).

22023070 is a wasteful number, since it uses less digits than its factorization.

22023070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17475.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 22023070 is about 4692.8743857044. The cubic root of 22023070 is about 280.3018428607.

Adding to 22023070 its reverse (7032022), we get a palindrome (29055092).

The spelling of 22023070 in words is "twenty-two million, twenty-three thousand, seventy".

Divisors: 1 2 5 10 127 254 635 1270 17341 34682 86705 173410 2202307 4404614 11011535 22023070