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22116430 = 257315949
BaseRepresentation
bin101010001011…
…1100001001110
31112121122001001
41110113201032
521130211210
62110010514
7355662250
oct124274116
945548031
1022116430
1111536446
1274a6a3a
13477485b
142d19cd0
151e1d03a
hex151784e

22116430 has 16 divisors (see below), whose sum is σ = 45496800. Its totient is φ = 7582752.

The previous prime is 22116397. The next prime is 22116431. The reversal of 22116430 is 3461122.

It is a junction number, because it is equal to n+sod(n) for n = 22116398 and 22116407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22116431) 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, 157905 + ... + 158044.

It is an arithmetic number, because the mean of its divisors is an integer number (2843550).

Almost surely, 222116430 is an apocalyptic number.

22116430 is an abundant number, since it is smaller than the sum of its proper divisors (23380370).

22116430 is a wasteful number, since it uses less digits than its factorization.

22116430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315963.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 22116430 is about 4702.8108616018. The cubic root of 22116430 is about 280.6973688320.

Adding to 22116430 its reverse (3461122), we get a palindrome (25577552).

The spelling of 22116430 in words is "twenty-two million, one hundred sixteen thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 315949 631898 1579745 2211643 3159490 4423286 11058215 22116430